查询词典 precision

The deformation of the slideway will reduce the precision of the installation of the machine tool,and will cause the change of the beeline and angular magnitude which can reduce the manufacturing precision of the machine tool.

机床床身导轨热变形后会破坏机床安装调试的精度，引起部件移动的直线度和角度变化而降低机床的加工精度；通过几种运用不同的方法建立导轨热变形的数学模型，能够为数控机床的编程带来方便，保证和提高工件的加工质量。

"Crawlirg" can be found in the installation and adjustment of precision machine tools, such as slideway grinder ,and as a result, the working precision is severely affected.

导轨磨床等大型精密机床在安装调试时工作台运动常常会产生"爬行"现象，它严重地影响机床的工作精度。

The research results show that the impulse control can not achieve high-precision formation and the solar sail that can provide low thrust of micro-newton is able to achieve small-size high-precision formation.

研究结果表明：利用脉冲控制很难实现高精度编队，太阳帆能提供微牛以下的连续小推力可以满足小尺度高精度编队需求。

As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.

为了实现水下载体高精度的定位，GPS声纳浮标需解决两个方面的技术难点：高精度的系统时钟同步和定位信号的高精度时延估计。

The Southwell model is proved a high precision wavefront reconstructed algorithm. The relations between the precision of wavefront reconstructed and the parameter of wavefront sensor are studied.

研究了波前传感器参数、入射光束参量对波前重构精度的影响，提出了菲涅耳波带片的合理阵列数目。

Spherical grinding error analysis is mainly about influence of geometric precision of machine on precision of graund parts, the influences of vertical, horizontal and angle on the spherical degree errors were researched respectively, and the specific calculation formulas were deduced.

主要针对机床几何精度对磨削球面精度的影响，分别从上下、左右、角度三个方面对球面度误差的影响展开了研究，得出了具体的计算公式。

But in common interferometry, the metrical precision of spherical surface mainly Sepends on the precision of reference surface.

而在一般的干涉检测中，球面镜检测精度主要依赖参考镜的精度。

We guarantee that the dimensional precision of deep boreholes and surface precision meet the requirements by conducting the research on the processing approach of the spiracle conduit of the internal combustion engine and by grinding the deep boreholes with grinding heads of minor diameter and deep bo...

通过对内燃机气门导管的加工方法研究，采用小直径的深孔珩磨头进行深孔的珩磨，能够保证深孔加工的尺寸精度与表面精度要求，加工质量达到了良好效果。

EpS0N of nozzle is a high-precision nozzle Xaar and Spectra of the sprinkler head nozzle is low precision.

EpS0N的喷头属于高精度喷头Xaar及Spectra的喷头属于低精度喷头。

Precision of HPLC was well. RSD of precision test was 1.4%,and sample solution was stable.

高效液相色谱法测定丹皮酚的含量，丹皮酚在0.004 4～0.022 mg/ml的范围内呈良好的线性关系，r = 0。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。