The principle of laser marking-off equipment is introduced by use of geometric optics.
利用几何光学方法阐述激光标线仪标线的基本原理。
Rather, the researchers have determined that the neuron signals were marking intervals of time, ticking off time-stamps down to tens of milliseconds.
更确切地说，研究人员们已经确定这些神经元信号正记下时间间隔，并以几十毫秒的速度标记时间。
The fanned air is then discharged from the front side of the base, blowing off saw dust on a cutting object so as to prevent dust from accumulating on a marking line on the cutting object.
扇动空气从底板的前端向前吹出，吹掉切割对象上的锯屑，从而防止锯屑聚集在切割对象上的标记线上。
"I have been with him going on four years, Master Copperfield." said Uriah, shutting up his book after carefully marking the place where he had left off.
“我跟了他也有四年了，考勃菲尔少爷。”犹拉阿说着，一面合上书，细细地先标过读到哪了。
The act of marking off the goals and achieving them individually will give you a GREater sense of accomplishment.
这种“划”目标、逐个实现的办法会给你更多成就感。
One of Dolohov's Cossacks stood on the other side, counting the prisoners, and marking off the hundreds with a chalk mark on the gate.
另一边站着一个多洛霍夫部的哥萨克在清点俘虏人数。每数到一百就在门上划个记号。
The indemnification of servant identity in western country is validly acquired through marking off political official and clerical official as well as permanent institution of clerical official.
西方国家公务员身份的身份保障，是通过政务官与事务官两官分途以及事务官常任制而获得有效保障的。
The indemnification of servant identity in western country is validly acquired through marking off political official and clerical official as well as permanent institution of clerical official.
西方国家公务员身份的身份保障，是通过政务官与事务官两官分途以及事务官常任制而获得有效保障的。
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