| 词汇 | propeller |
| 释义 | propeller noun[ C ] uk /prəˈpel.ər/ us /prəˈpel.ɚ/(informalprop) a device that causes a ship or aircraft to move, consisting of two or more blades that spin at high speed螺旋桨 STUDIO BOX/Photographer's Choice RF/GettyImages Parts of ships & boats abaft airlock bilge water boathook boiler room bowline cleat keel paddle periscope prow rigging spar sprit stabilizer steerage stem strop sun deck superstructure You can also find related words, phrases, and synonyms in the topics: Air travel: parts of aeroplanes propeller | American Dictionarypropeller noun[ C ] us/prəˈpel·ər/ a device with two or more blades that spin around to produce a force for moving the ship or aircraft to which it is attached Examples of propellerpropeller The prototype, we are told, has electric motors on each wingtip to drive folding propellers. It is known that the flagella perform a propeller-like movement with a specific handedness resulting from the gear-like structure of their molecular motors. Two fixed-pitch propellers, two semi-balanced rudders, and three forward and three aft thrusters provide high manoeuvrability. Furthermore, the simplicity of this model allows simple extensions to more complicated geometries like skewed marine propellers or windmills. The system is intended to be deployed in an organization that, amongst other activities, designs marine propellers. Based on the natural motion of fish, this technology was originally intended for application on propeller-driven marine vehicles. The wing dropped and the outer starboard propeller struck the snow. In addition, it is developed to allow other design par ticipants to carry out several design tasks themselves without interacting with propeller designers. These moves are only allowed when one point of the propeller touches the boundary. This helical filament is not a simply rigid propeller, but its helical handedness is switchable. The system is developed to allow propeller designers to have quick access to maximum information and knowledge relevant to their design. It is also clear that some metallic items (propellers, anchor, capstan, etc.) would be easy to recover, but little is known about the state of the remaining oak structures. Concentrating on propeller designers, their task is to design a propeller including its complex geometry given customer requirements about ship performance, and subject to physical and regulatory constraints. Designs include bands, crosshatching, drips, propeller-shapes, horseshoes, clusters of dots, s-shapes, and, more rarely, rectilinear spirals referred to by some researchers as xicalcoliuhquis. Another example is any underwater vehicle that operates similar to submarines where the vertical movement is controlled by a bladder system while the horizontal movement is controlled by propellers. 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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