计时

The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.

机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计

Then, in 1929 first electronic timepieces appeared.

接著，在1929年第一台电子计时器出现。

Methods To automatically adjust x-ray tube voltage of fluoroscopy for image brightness control,to use phototimer for autocontrol of exposure time.

自动调整透视管电压以控制图像的亮度；利用光电计时器自动控制曝光时间。

Select tickers in capitals, separated by commas, including any that may influence the priceyou wish to analyze.

选择重要的计时器，以逗号分隔，包括任何你想要分析的对价格的影响。

Increased performance reduced consumption: Use of variable cam timers in vane type design and switching tappets for cam profile switching in Porsche's Variocam model.

提高性能-减少消费：使用可变凸轮计时器在叶片型设计和开关t appets的开关凸轮轮廓在保时捷的V arioCam模式。

Reduced consumption: Use of variable cam timers in vane type design and switching tappets for cam profile switching in Porsche's Variocam model.

提高性能-减少消费：使用可变凸轮计时器在叶片型设计和开关t appets的开关凸轮轮廓在保时捷的V arioCam模式。

Organization of large-scale chamber blasting is described in the case of Luoguogou, It is emphatically stated that the following points should be noted during technical desing:(1)spacing of charge roons and deter- mination of blasting parameters;(2)design of initiation network;(3) construction plan;(4) safety check and safety precautions.

以罗锅沟大爆破为例，介绍了洞室大爆破的施工组织，并着重问述了在进行技术设计时，应注意以下几点：（1）药室的布置及爆破参数的确定；（2）起爆网路的设计；（3）施工设计；（4）安全校核及安全措施。

Just stopped looking out when little Efren chipped his buck tooth on a parking meter and didn't even stop Refugia from getting her head stuck between two slats in the back gate and nobody looked up not once the day Angel Vargas learned to fly and dropped from the sky like a sugar donut, just like a falling star, and exploded down to earth without even an "Oh."

小埃弗伦用他的虎牙咬停车计时器的时候，你只要不往外看就可以了；蕾弗佳把头伸进后门上两块板条中间的时候，没人阻止她。那天安琪·法加斯学飞的时候，也没人抬头看一下，她像甜麦圈一样从天上掉下来，就像一颗坠落的流星，砸在地上哦都没哦出一声来。

Like most children before and since, he became fascinated by peering into the workings of a timepiece and watching the movement of ratchets and wheels, springs and pendulums.

与在此前后的大多数孩子一样，他痴迷于探查计时器的工作方式及观察棘轮、车轮、弹簧和钟摆的运动。

Fourth article payment for labor each month of end of the month provides the previous month the wages, the wages provide form for the cash direct provide, second party's wages uses by the piece time-rate wage system, by the piece hourly wage work norm the correlation stipulation execution which draws up according to the party of the first part.

第四条 劳动报酬每月月末发放上个月的工资，工资发放形式为现金直接发放，乙方的工资采用计件计时工资制，计件计时工资的劳动定额按照甲方制订的相关规定执行。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。