查询词典 measuring instrument

This paper presents a scheme of portable instrument for radon measurement , which includes measuring principles, hardware and software.

阐述了一种便携式测氡仪器的设计方案，包括测量原理、硬件和软件。

Optical Time Domain Reflectometer, OTDR, an instrument used for measuring the characteristic of the light loss and fault location, which is one of the important and commonly used instruments during construction and maintenance or measurement of optical application system.

国外OTDR的技术指标已经达到很高的水平，但由于我国基础工业水平低、国外技术的封锁以及国内研发力量不足等因素，国产OTDR与国外仍有很大的差距，市场化水平也低，国内市场基本上被国外产品所垄断，因此很有必要对OTDR的测试理论、所用的关键技术等作深入系统的研究。

Frequency Domain Reflectometry is an effective instrument of measuring soil volumetric water content, but it need a good calibration.

为了获得精确的土壤含水量测定数据，在室内和田间分别进行了频率域反射仪测定土壤含水量的校正，并在田间运用土钻取样和烘干法对模型参数进行了验证。

Use: A refractometer is an instrument the concentration of a queous solution by measuring it's refractive index, All water based solution can make light bend.

用途：手持式折射计是一种通过测量水溶液折折射率来测量其浓度的仪器。所有水溶液都能使光的方向发生折射。

The essential of resistance strain gauge is a kind of electronic instrument for measuring minute resistance variation of sense organ.

电阻应变仪的实质是一种测量敏感元件微小的电阻变化电子仪器。

A sextant is an instrument used for measuring angles.

六分仪是用来测量角度的仪器。

An instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration.

测量天体角度的仪器；类似于六分仪但是带有度的刻度。

Maria taught them to use the sextant, an instrument measuring the height of the sun from the horizon

玛丽向他们传授使用六分仪的方法，这种仪器可以用来测算太阳距海面的高度。

In addition, the working principle of the instrument for measuring spherical curvature is described, and the scheme of structure base on this working principle is designed, and then the accuracy analysis of it is proved in details.

文中详细阐述了可变径球面曲率测量仪器的工作原理、系统选型、结构设计，并详细对测量仪器进行了精度分析及精度综合，指出了影响仪器测量精度的重要因素。

In this thesis, several kinds of spherical curvature measurement methods are introduced, and the "arch-high and chord-length method" is selected after introduction of the existing methods, and then the novel type of instrument for measuring spherical curvature with the variable ring is developed. In research, the grating sensor, integrated circuits and other new technologies are adopted and integrated. As a result of this, Its specific technical indicator is 0.1um in absolute accuracy, 0.01% in relative accuracy, and 0.001% in repeat accuracy.

本文首先对几种球面曲率半径的测量系统进行了深入的理论分析，在分析了各个测量方法优缺点的基础上，选用了"弓高弦长法"的测量原理，并从理论上推导了本文所述系统的可行性，采用光栅传感器、集成电路等新技术成果，将机械、电子技术、计算机技术以及传感器技术有机结合，研制出一种新型的可变径球面曲率测量仪器。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。