1.
viscous-drag gas-density meter
粘滞阻力气体密度测量器
2.
Any of various instruments for comparing a measured property of an object, such as its shape, color, or brightness, with a standard.
精密度测量器一种仪器，用于比较物体的可度量性质，例如按标准度量它的形状、颜色或亮度
3.
an instrument for determining density or specific gravity.
测量比重或密度的仪器。
4.
particle flux density monitor
粒子通量密度监测器
5.
neutron flux density monitor
中子通量密度监测器
6.
an instrument for determining optical or photographic density.
测量光学或摄像的密度的仪器。
7.
An instrument used to measure density or specific gravity.
比重计，浓度计用于测量密度或特定重量的仪器
8.
An apparatus for measuring the optical density of a material, such as a photographic negative.
（光）密度计测量材料，例如相片感光纸光密度的器械
9.
Research on the Measurement System of Remote Energy Density of the Pulsed Laser
脉冲激光器远场能量密度测试系统研究
10.
The thermal neutron flux density is measured with Soild State Nuclear Track Detector (SSNTD),and the γ radiation dose rate is detected with Thermoluminescence Dosimeter (TLD).
中子通量密度采用固体核径迹探测器测量，γ辐射剂量率用热释光探测器测定。
11.
precision measuring condenser microphone
精密测量用电容传声器
12.
neutron flux density indicator
中子通量密度指示器
13.
electron flux density indicator
电子通量密度指示器
14.
gas flow neutron density measuring assembly
柳型中子密度测量装置
15.
minimum acquisition flux density
探测目标最小通量密度
16.
The Laser Triangulation Measuring Sensor for Accurate Displacement Measurement
激光三角测量传感器的精密位移测量
17.
A standard vessel used in measuring the density or specific gravity of materials.
比重瓶一种标准容器，用于测量物质的密度或比重
18.
An instrument for determining the weight and density of air or another gas.
气体比重计测定空气或其他气体的重量及密度的仪器