主要对正则环的相关理论进行了研究，包括正则环理想上的模比较，并进一步研究了强正则环的模刻画。

The paper has researched module comparability theories about regular rings, including the module of regular rings and characterizations about modules over strongly regular rings.

youdao

提出了以饱和烃、一环芳烃和二环芳烃组成的理想催化裂化组分的概念。

A concept of FCC ideal feed components consisting of saturates, mono and dicyclic aromatic is then suggested.

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目的：探索一个较理想的黏膜环荷包缝合及牵引的方法。

Objective: Discuss a more ideal method of purse string suture and pull of rectum mucosa.

youdao

They want to get as far away from each other possible, the ideal angle is 120. But what we have here is a four-membered ring, so what angle does 90° that have to be, that bond? 90 degrees.

它们想要尽量远离彼此，最理想的是形成120°键角,但现在是个四元环,所以这键角应该多大？

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