| 词汇 | example_english_jet-propulsion |
| 释义 | Examples of jet propulsionThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. This subject has been carefully and continuously studied ever since jetpropulsion became technologically feasible. Apart from these economic points, we have made a great advance in jetpropulsion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 A special effort has been made to accelerate development of new types of airframes, aero-engines, electronic equipment and improved methods of jetpropulsion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Does that apply to jetpropulsion in the civil field as well? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I take it that the jetpropulsion engine is about as far advanced as the engines we used in the aeroplanes of the last war. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We may expect with the development of jetpropulsion that these times may be shortened very considerably. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Have any experiments been carried out to see if jetpropulsion can be applied to flying boats, in order to do away with propellers? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We, in this country, pioneered almost every engineering development the world has seen—steam, gas, electricity, and now jetpropulsion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I know that the jetpropulsion system is more efficient at high altitudes, but it might be capable of adaptation for flying boats. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The jetpropulsion system may help us enormously in air development after the war. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The change-over to jetpropulsion is not a change of degree; it is a change of type. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I want for the moment to go back into the history of jetpropulsion in this country. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Will he give every assistance possible in the development not only of nuclear propulsion but also possibly of jetpropulsion? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The general belief at the end of the late war was that we were far ahead in the development of jetpropulsion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 What we can do when we try is exemplified by the jetpropulsion story. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 In this age of jetpropulsion, and so on, we rather forget the attitude of our ancestors towards the railways. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Perhaps he can give us an idea of what is being done about the jetpropulsion engines and their development. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Where should we be today without his scientific and engineering breakthrough in the field of jetpropulsion and gas turbines? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are told, however, that investigations are going on in connexion with jetpropulsion which may entirely revolutionize that matter in a few years. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We could no more think of dropping out of this race than we could have thought of not taking up jetpropulsion because we were operating pistons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It then burns the gases as fuel, accelerating down the tube under jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pulse jet engines are a lightweight form of jetpropulsion, but usually have a poor compression ratio, and hence give a low specific impulse. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The same organs can be used for jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At the front of the mantle cavity lies the siphon, which the squid uses for locomotion via precise jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Instead, the squid has a siphon, a muscle which takes in water from one side, and pushes it out the other side: jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Whereas the young propel themselves primarily by jetpropulsion, mature adults find flapping their fins to be the most efficient means. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rhomboid fins comprise two-thirds of the mantle length, though locomotion is via jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It features a top speed of on both land and water, a proprietary marine jetpropulsion system, and wheel retraction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are solitary, have the two siphons at opposite ends of their barrel-shaped bodies, and swim by jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some teleost fish have also developed jetpropulsion, passing water through the gills to supplement fin-driven motion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A number of animals, including cephalopods, sea hares, arthropods, and fish have convergently evolved jetpropulsion mechanisms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sea hares (gastropod molluscs) employ a similar means of jetpropulsion, but without the sophisticated neurological machinery of cephalopods they navigate somewhat more clumsily. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When disturbed, it can leave behind a thick blob of black ink as it speeds away by jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This compares with other jetpropulsion engines that can exceed 5 for some of the better engines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dragonfly naiads use jetpropulsion, forcibly expelling water out of their rectal chamber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They also move by jetpropulsion, and often form long chains by budding off new individuals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The relative efficiency of jetpropulsion decreases further as animal size increases; paralarvae are far more efficient than juvenile and adult individuals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Scallops and cardiids, siphonophores, tunicates (such as salps), and some jellyfish also employ jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like cuttlefish, they can swim by either using the fins on their mantle or by jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the screen 1 and 2, the player must also rescue a pet with jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, although very powerful, at reasonable flight speeds rockets are very inefficient and so jetpropulsion technology stalled for hundreds of years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The wheels retract and the power train disconnects from driving the wheels to driving only the jetpropulsion system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The relative efficiency of jetpropulsion decreases further as animal size increases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The torpedo has a pump jetpropulsion system giving it a maximum speed of over 40 knots. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They also have a kind of jetpropulsion that is often used by younger frogfish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is also used for locomotion, and salp jetpropulsion is one of the most efficient in the animal kingdom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The water's expulsion through the funnel can be used to power jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Aircraft propulsion nearly always uses either a type of propeller, or a form of jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This squeezes water out from the hollow interior and the animal moves in the opposite direction, a form of jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During his escape, he demonstrated a knowledge of martial arts, also showing off special capabilities of his bat-suit including jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Jetpropulsion is their fastest means of locomotion, followed by swimming and walking. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Water is pulled into the mantle and over gills or lamellae for oxygen uptake, and can be ejected forcefully through the siphon for jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He thus demonstrated water jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It does this by opening and closing its valves and expelling water in a stream from either side of the hinge, a form of jetpropulsion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thoughts on the use of the rocket principle in the cosmos were expressed by him as early as 1883, and a rigorous theory of jetpropulsion was developed in 1896. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Instead, its fluid dynamics seem optimal for a role in jetpropulsion, where it would have maintained an efficient slow flow of water over the large internal gills. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reference has been made to jetpropulsion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Also in 1994, the company first used its jetpropulsion technology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The army built several prototypes before the war (they are the first to experiment with jet propulsion), but none were mass-produced and the whole enterprise is dropped in 1940. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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