bh

基本解释

B. H, and the coefficient of genetic variation of D.
遗传变异系数，材积>胸径>树高。
All forgings shall be heat treated for mechanical properties as specified in B to H.
所有的锻造都应该经过热处理以达到B和H中规定的机械性能。
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Egg's contents transmission images were acquired. After pre-processing, R, G, B, H, S, I mean values of egg contents' color feature were extracted.
采集了鸡蛋内容物的透射图像，通过对透射图像做预处理，提取出鸡蛋内容物透射目标的R、G、B、H、S、I六个颜色特征分量的均值。

He says these particles would offer a more exact method of transporting the short-lived drug, called B-H-three mimetic.
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。
麻省理工公开课 - 化学原理课程节选
So if you picture, for example, b h 3, it's going to look like this.
如何使键劲量相互远离，我们会有平面三角形的情形，如果你想象。
麻省理工公开课 - 化学原理课程节选

Given the long waits for green cards, an H-B visa is usually required if a U.S. employer wants to hire a skilled foreign national from a U.S. university or abroad.
FORBES: Department of Labor Threatens Personal and Commercial Privacy