类同轴成像大鼠股骨头关节软骨及骨小梁结构清楚。

With in-line holography imaging, the articular cartilage and trabecular bone of the femoral head could also be imaged.

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结果发现：水囊引产儿胸腺结构清楚，细胞膜完整，细胞内细胞器完好。

The results were as follows: fetal thymus structure of induced abortion by water pocket is clear, cellular membrane is intact, intracellular organelles are healthy.

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前言： 大平掌矿床由上部层状块状硫化物矿体和下部细脉浸染状矿体组成， 双层结构清楚。

There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.

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What you'll actually find in terms of asking your TAs about the Lewis structure rules is that sometimes they won't be as good at them as you are, and the reason is once you've drawn enough of these structures, you start to get a lot of chemical intuition about it just looks wrong to you if it's wrong.

其实如果大家去问助教,路易斯结构的规则是什么的话,你会发现他们有时候可能并不比你们记得更清楚，因为一旦你画过足够多的路易斯结构，你就会开始获得很多化学直觉,如果它是错的，那么对你来说它看起来就是错的。

麻省理工公开课 - 化学原理课程节选