The deformations of the element in the middle surface of the shell and its rotation about all axes are considered in the derivation of these equations.

在推导过程中，考虑了壳体微元在中面内的变形和绕各个轴的转动。

youdao

In the late Middle Ages, it was customary to scrape away the surface of the parchment with an abrasive, which completely wiped out any writing that was there.

在中世纪后期，人们习惯用磨料刮去羊皮纸的表面，把纸上的所有文字都擦得干干净净。

youdao

Say when you're at the front of C prime, your thumb points to the right, your index points up because that's where the surface is, and then your middle finger will point out.

你在曲线C的前端，你的拇指指向右边，你给指出来了，因为那就是这个表面所在，然后你的中指就会指出。

youdao

At the middle-management level, a crippling contradiction tends to surface.

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On the surface, he appeared content with life in the middle of nowhere and was focused on the fight at the weekend.

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In coordinated groups, the animals first cornered and then herded a massive school of herring, blowing bubbles around them to confuse the fish and make them swim tighter, until, surging through the middle of the school with mouths agape, the humpbacks boiled to the surface in a feeding frenzy.

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