| 词汇 | evolute |
| 释义 | BETA Examples of evoluteevolute isn’t in the Cambridge Dictionary yet. You can help! The latter has an evolute shell with slightly overlapping whorls. This equation also holds on the evolute of every regular arc. It is neither a product of evolution, nor the cause of any evolute. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shell is thinly discoidal, evolute, and smooth; cross section highly compressed; venter narrowly rounded except at the late stage where sharp shoulders are developed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shell is discoidal, primarily evolute, becoming mildly involute in later growth stage, moderately to rapidly expanding. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pachydiscidae are of moderate to large size, evolute to rather involute, and vary in section from inflated and depressed to high-whorled and compressed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is nearly identical in form to the evolute of an ellipse. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It follows that the contrapedal of a curve is the pedal of its evolute. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Shell moderately evolute, whorl section oval with contrictions present throughout. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shell is evolute with a very slightly embracing whorls, ovoid in cross section. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These are the points where the curve touches the evolute. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Shloenbachiidae can be recognized by their usually keel bearing, irregularly ribbed and tuberculate shells that vary from evolute to rather involute and compressed to inflated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Shells are evolute, tending to be broadly discoidal with depressed whorls bearing primary and secondary ribs that branch from outer lateral tubercles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Similarly, when the original curve has a cusp where the radius of curvature is 0 then the evolute will touch the original curve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This can be seen in the figure to the right: the blue curve is the evolute of all the other curves. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Equivalently, an evolute is the envelope of the normals to a curve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such points will lie at cusp of the evolute. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shell is evolute, coiled such that all whorls are exposed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shell is discoidal, evolute, with a wide umbilicus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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