查询词典 precision accuracy

The method of determination of cyclamate in foods adopts Carrez reagents and ultrasonic extraction to eliminate the effect of protein and so on, use ultrasonic extraction and large caliber capillary. It is simple, rapid, with high precision and accuracy of the merits.

通过对样品采用Carrez试剂消除蛋白质等影响，超声波萃取，使用大口径弱极性毛细管具有简便、快速，精密度和准确度高的优点。

In this study, we assessed the accuracy and precision of thetransverse approach, using a "single-screen" method, to facilitatelabor epidurals.

在本研究中我们评估了横向超声单屏显像的方法在分娩硬膜外定位中的精度和准度。

Therefore, for improving the accuracy of exceed slender axle on turning,must need to do with the lathe fixture and cutting tool for further improvement. In order to reached the requirements of precision machining,in machining process must use follower rest、flexible active thimble、space block and bracket etc fixture and assistive device.

超细长轴在车削加工中承受自身重力、切削力、高速旋转产生的离心力的作用，极容易出现振动与弯曲变形现象，增大轴的几何形状误差，而超细长轴的轴向尺寸较大，直径较小，热扩散性及刚性差，受切削热作用会在轴向发生线性膨胀，若在轴向的伸长量无法得到消除，轴将受迫弯曲，从而影响轴的精度。

The experimental evaluation was done by means of degree of accuracy,precision and sensitivity,and by compa ring with gas chromato-graphy method which is standard method of our countr y.

以黄瓜为试材，通过准确度、精密度和灵敏度的分析，以及与国家标准方法--气相色谱法的比较，对该方法进行了实验学评价。

The comprehensive seeding accuracy testing method proposed in this dissertation to test performance of precision seeder, grain drill seeder, hill-drop planter, seeding monomer, and seed sowing device is an integrative one with technology of computer vision, patter recognition, and automatic control.

本文提出的适用于精密播种机、谷物条播机、穴播机，及排种器等多类型播种机具的播种精度检测方法，是集计算机视觉、模式识别、自动控制为一体的综合技术。

Precision ground, lead accuracy within ±0.0005/ft.

精密地面，导致精度在± 0.0005/英尺

Aimed at some problems that radial wear quantity measuring accuracy of gun barrel inner bore was low,and the degree of automation was not high,by use of laser un-touched measuring technology,a precision measuring system of gun barrel inner diameter was designed.

针对现有火炮身管内膛径向磨损量检测仪器所存在的测量精度低、自动化程度不高等问题，设计了一套利用激光非接触测量技术对身管内径实现精密测量的系统。

At the same time, these two methods of accuracy and precision compared. It is to answer why the majority of the conductivity method used to measure the reasons for the ionization constant acetic acid.

同时对这两种方法的准确度和精确度进行了比较，也回答了为什么大多数用电导率法来测HAc电离常数的原因。

To meet the special needs of the market, enterprises have introduced advanced international level of imports of production lines to meet for the washing machine, matching the types of precision motors and low noise, high accuracy, no noise boutique bearing requirements.

为满足市场特殊需要，企业引进了具有国际先进水平的进口生产流水线，满足为洗衣机、精密电机配套的各类低噪音、高精度、无杂音的精品轴承的要求。

Uses precision measuring devices such as micrometers, verniers, calipers etc, to measure parts and products accuracy to print or specifications.

使用精准测量仪，如千分尺、卡尺、测径器等进行的零件和产品精确度，使其符合图纸和技术规格文件

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。