Now suppose that for some reason, a depression or hollow develops in a system of field lines stretching "horizontally" . 现在假定由于某种原因，在“水平方向上”伸展的磁力线系统中形成了一个“洼处”或凹地。
temperatures(around 950℃)will prevent stress-induced defect formation in a recessed structure(recess approximately land oxide growth approximately 2. 2μm). 温度在950上下就会避免在有凹槽的结构中形成应力诱发缺陷（凹槽约1m，氧化物层生长约22m）。
West china prose and jia ping - wa ' s literary creation 西部散文与贾平凹散文创作
Can you hammer out the dent in the side of my car 你能敲平我车子侧边的凹痕吗？
27 milestone , castle peak road , yuen long , nt 地址：新界元朗凹头青山公路27咪
Aerospace series - o - ring grooves - dimensions 航空航天系列. o形密封环凹槽.尺寸
He cut a notch in the stick with a sharp knife 他用一把利刀在手杖上刻了个凹槽。
