滚珠丝杠副是数控机床进给系统的核心部件，采用它是提高进给系统灵敏度、定位精度和防止爬行的有效措施。
Ball screw unit is the key part of NC machines, and its adoption is an effective measure of improving sensitivity, positioning accuracy and prevention crawl.
所谓“零基线”检验，就是将两台GPS接收机通过“功率分配器”连接到同一副gps接收机天线上，并进行差分定位测量。
"Zero-baseline Test" refers to the experiment that links two GPS receivers with the same antenna element through a "Power distributor" and conduct the difference positioning.
在背侧副撖榄核内有明确的体部定位关系。
Clearcut somatotopical localization was demonstrated in the oral part of the dorsal accessory olivary nucleus.
针对物镜光学元件装配过程中接触副定位对准精度、接触过程中残余摩擦力对面形的影响等问题提出了解决方案。
Assembly method for the Optic is designed and the solution for problem about positioning and aligning of the contact coupling and trapped friction which affect the figure are put forward.
观测到眶下孔数目为单孔的占93％，呈卵园形，有副孔的占7％，并测量了它们在上颌骨的确定位置。
The results show that 93% of the suborbital foramen is an oval-shaped mono-foramen and 7% has a paraforamen, their exact positions on the maxilla being measured.
副介指向空间的确定位置。
The secondary valence is directed toward fixed positions in space .
如果尼康佳能来标记二副本……24百万像素似乎是显而易见的选择，但不同意如何定位尼康目前的阵容。
If Nikon were to make a Canon 5d Mark II replica... 24 megapixels would seem the obvious choice but that does not agree with how Nikon's current lineup is positioned.
这是迄今第一次对单纯性副耳畸形疾病基因的定位。
这是迄今第一次对单纯性副耳畸形疾病基因的定位。
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