electron n impact 电子碰撞
single-impact period-n motion 单碰周期n运动
electron n impact desorption 电子碰撞解吸
electron n impact ion source 电子碰撞离子源
n Hardness and Impact Resistance 硬度和抗冲击性
Flow injection was applied to analysis of NH3-N in water and the impact of various experimental conditions was studied.
将流动注射应用于水中氨氮的分析，并研究了各种实验条件对于结果的影响。
Those fun trips had a (n) lasting impact.
这些有趣的旅游有着深远的影响。
It is a way, he says, of paying tribute to the rock 'n 'roll era that had a huge impact on him as a child.
他说这是颂扬那个给童年的他带来巨大影响的摇滚乐时代的一种方式。
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