Thus, the OPERA team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.
因此，OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。
In this method, the positioning accuracy and repeated positioning accuracy are tested using the precision linear scale and the reading microscope.
该方法利用精密线纹尺和读数显微镜对数控机床的定位精度和重复定位精度进行检验。
The technic key is started from the theory of textile enterprise practice, system can reduce repeated work and improve blending precision.
该系统的技术关键是实现从生产实际需要出发，减轻配棉工作人员重复劳动，提高配棉精度。
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