查询词典 measuring error

Outside caliper s" are used for measuring external sizes, and "inside caliper s for measuring internal sizes.

外测径器"用来量度外边的尺寸；"内测径器则量度内部的尺寸。

According to the experience gained in traditional penetrating tests, this thesis has produced a high-pressure clay permeameter and discussed the instruments testing principle, measuring method and derivation of the calculation formula in details. Meanwhile, plenty of testing research has been done by taking an example for the permeability coefficient measuring of plastic concrete and the influencing factors of tests to the permeability coefficient of plastic concrete measured by this instrument have been analyzed.

3本文根据常规渗透试验中积累的经验，自行研制了一种高压土工渗透仪，对该仪器试验原理、测定方法以及计算公式的推导进行了详细的探讨，并以塑性混凝土渗透系数的测定为例进行了试验研究，对使用该仪器测定塑性混凝土渗透系数时影响渗透系数的试验因素进行了分析。

The extremely weak photoelectric current measuring technology has widespread application in measuring instruments and the photoelectrical equipment manufacturing.

极微弱光电流测量技术在仪器仪表和光电设备制作中有着广泛的应用。

Aim at disadvantages of traditional measuring methods,such as lower precision and complicated operations,a precise measuring method for pitch circle helix angle of involute spur gear by CMM was put forward.

针对渐开线圆柱斜齿轮分度圆螺旋角的传统测量方法精度低、操作复杂等缺陷，提出用三坐标测量机精确测量圆柱斜齿轮分度圆螺旋角的方法，介绍了其测量原理及步骤，并进行了测量精度分析。

The invention relates to a measuring device for measuring the degree of transmission of a coating on a glass plate.

本发明涉及一种测量装置，其用于测量玻璃板上镀层的透射度。

A new method for measuring surface area of flatfishes was presented in this paper. Digital camera is used to capture digital images of flatfishes with a background of standard plotting paper, image processing softwares (Photoshop CS2 or Adobe Acrobat Professional) are used to get pixels per square centimeter and the pixels of flatfishes, then surface area of flatfishes can be calculated by these data. Compared with traditional method, results of surface area measuring of 30 turbot revealed that relative errors of Photoshop Method and Acrobat Method were －4.40% to 3.08% and －1.83% to 1.30%, respectively.

提出一种快速、准确测定鲆鲽类体表面积的新方法，利用数码相机拍照获取带有标准坐标纸背景的鲆鲽类鱼体数码图像，采用图像处理软件Photoshop CS2和Adobe Acrobat Professional分别获得单位背景面积和鱼体图像的像素数，通过两者的比例计算出体表面积。30尾大菱鲆体表面积的实测表明，与传统计数方格面积法的测量结果相比，Photoshop法相对误差为－4.40%~3.08%，Acrobat法相对误差为－

Squareness …… Measure squareness against pass center with swing measuring jig, piano wire, plumb bob and scale by swing measuring method.

方形……对通过中心测量垂直摆动测量夹具、钢琴丝、垂直鲍勃和比例由摇摆的测算方法。

Distributing control point used of straight closed traverse and using of distance measurement polar coordinates and near distance high degree level measuring method to do deformation measuring for the plugging water curtain wall.

用直伸闭合导线布设控制点，以测距极坐标和近距高等级水准测量方法对堵水帷幕墙进行变形测量，有利于提高观测精度，能消除横向误差对监测点位精度的影响，精度及效果较

The result of simulation indicates that a 2-dimension function may be adopted to describe measuring sense field and potential distribution accord with exponential function on potential gradient line from transmitting electrode to measuring electrode.

模拟计算结果表明，三维电极阵列的敏感场最终可以用二维函数表述，在主发射电极到测量电极的电势梯度线上，电势值的变化规律符合指数函数特征。

According to the measuring demand of temperature distribution, the measuring principle of color pyrometer is emphasized and modeled.

在分析温度场测量要求的基础上，推导了比色光学高温计的测量原理，建立了数学模型。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。