| 词汇 | spheroid |
| 释义 | spheroid noun[ C ] mathematics specializeduk /ˈsfɪə.rɔɪd/ us /ˈsfɪr.ɔɪd/ a solid object that is almost spherical: 球体;扁球体，椭球体 The earth is a spheroid.地球是个椭球体。 Spherical, circular and annular objects air bubble bead bobbin bobble cylindrically disc disk game ball globe hoop knob orb papillate pearl pellet pelleted ring sphere spool tubal Examples of spheroidspheroid These spheroids were mechanically dissociated and re-cultured as free floating secondary spheres to generate further spheroid colonies. It has a uniform thickness and a prominent, dense layer derived from spheroids formerly present in cortical granules. To make our investigation more comprehensive, we examine cells with a variety of unstressed shapes including oblate and prolate spheroids. The irregular behaviour around the tip of the spheroid is indicative of membrane folding. As noted above, the latter surfaces bulge out slightly near the equator, relative to the rotating spheroid. However, viscous stresses generated internal to the globule stretch the occluded droplet into a rather extended prolate spheroid. Such models accurately reproduce the growth of spheroids and the macroscopic heterogeneity which is the hallmark of spheroids. The tip of the spheroid is indicated with a dot. Of course, if the thermal's shape were a perfect spheroid, the volume computed in this manner would be exact. This plays a role similar to the tipped rotation axis or a precessing spheroid. An example of waves on a prolate spheroid surface of small eccentricity illustrates the main ideas. Their spheroid shape is a geometrical generalization by virtue of which we circumscribe the whole to the continuous line which seems to contain it. The spheroids are arranged in loose colonies of up to some dozens of individuals. Spheroid bodies that number 1 to 20 per cortical granule comprise the densest component of the cortical granules. Because the shapes of our thermals are, in general, much closer to oblate spheroids, we expect the errors involved to be much less than 15%. 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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