1) test frequency
探测频率，测试频率
2) surveying frequency
探测频率
1.
For that reason,it should analyze and handle three important parameters of radar work:environmental conductivity,dielectric constant and surveying frequency.
为此,必须分析、掌握雷达工作的三个重要参数:环境电导率、介电常数和探测频率。
3) testing frequency
测试频率
1.
After analyzing current fault diagnosis methods based on multi-frequency sensitivity in analog circuits,a new sensitivity matrix analysis approach is presented to select testing frequency.
在分析现有模拟电路多频灵敏度故障诊断方法的基础上,提出一种新的测试频率范围的选择方法,即灵敏度矩阵分析方法。
2.
The effects of tackifying resin style、high abrasion furnace black content、testing frequency to dynamic mechanical properties were studied by DMA 242.
利用DMA242热机械分析仪,研究了增粘树脂类型、高耐磨炉黑用量、测试频率等因素对氯化丁基橡胶阻尼材料动态力学性能的影响。
5) frequency test
频率测试
1.
The frequency test system of ultrasonic transducer is researched, and a new equipment idea based on it is put forward.
对超声波换能器频率测试系统进行了探讨 ,并在此基础上提出了改装设想 ,分析了所研究的简易超声波换能器频率测试仪的电路原理及实验结果 。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条