adj. plane ; complanate ; planiform
膝盖应该是平面的。
中国人用重力仪来校正海平面的局部偏差。
The Chinese used a gravity meter to correct for local deviations in sea level.
在此之前,气候的变化导致了海平面的剧烈波动,恐龙因此灭绝。
Changes in climate before that period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.
So what we'll have here is a trigonal planar case, and you can see that we only have three electrons that are set for bonding, so we'll add three hydrogens, and for b h 3, we'll get a stable structure here.
让电子劲量远离的时候,不用考虑它,这个例子是平面三角形,你可以看到,只有3个电子可以成键。
And so it has what? In contrast to the sigma, it has a nodal plane containing both nuclei.
这是什么,和sigma相反,它是包覆在核上的平面电子云,有一个界面。
So an easy thing to do in planar geometry is I want to make a line segment.
在平面几何里比较容易的一件事,就是做一个线段。
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