然后，再将非退化二阶曲线到自身的双射为对合的充要条件推广到退化二阶曲线两相异点列的情形。

Then, the latter necessary and sufficient condition is generalized to the case for the two different point ranges of degenerate second order curve.

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目的是通过小型猪复方麻醉剂（XFM）来研究乙胺噻吩环己酮对一氧化氮（NO）的一氧化氮合酶（NOS）的作用。

The objective is to investigate the effects of tiletamine on NO and NOS by XFM.

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如你所知，很合康复的重要部分都是对他人显示善意。

As you know, a crucial part of any recovery is showing charity to others.

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