金属材料的加工工艺之一。一般作为划线的步骤。 划线有四个步骤：1.划基准线；2.划加工尺寸线；3.划轮廓线；4.冲眼 冲眼的工具是：样冲 1.应斜看靠近冲眼部位 2.冲眼时冲尖对准划线的交点或划线 3.敲击前要扶直样冲
我坐下后朝四周看了一眼，她冲我微笑了。
参数测量主要指对波形特性，如上升时间、下降时间、过冲、周期、脉冲波形或眼图的幅度等。
Parametric measurements measure waveform properties such as rise time, fall time, overshoot, period, and amplitude on either a pulse waveform or an eye diagram.
宁宁吹了一声口哨，叶薇一记刀眼甩过去，小奶包笑得冲她露出优雅又粉嫩的笑。
Rather and rather blew a whistle, once leaf Wei record a knife eye to jilt in the past, the small milk pack smiled bluntly her to peep out grace again powder to delicately smile.
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