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- Multifunction for frequency test, period test, crystal oscillation test and frequency calculation. 多功能设计,具测频,测周期,测晶振及计数功能。
- Multifunction for frequency test, period test, crystal oscillation test, frequency calculation and 13M output test. 多功能设计,具测频,测周期,测晶,振计数及特有13M输出测试功能。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 对变频试验系统的参数和实际组件进行了讨论。
- This paper intends to introduce a method of frequency test of various circuits of type 8031 SCP and its application in the comprehensive figure display instrument of tower cranes. 本文介绍8031单片机多路测频的一种方法及其在塔吊综合数显仪中的应用。
- Multifunction for frequency testing, accumulation frequency and crystal frequency. 具备频率,累计频率及晶体频率的多项测量功能。
- Ultra- low Frequency Test of HV Power Cable 高压电力电缆超低频试验
- The signal frequency tested is computed according to the wide of the match strobe gate and the pulse number of pulses tested in the match strobe gate. 用频率计内部高频时钟测量匹配选通门宽度,计算被测信号频率。
- multiple period synchronization frequency test 多周同步测频
- transistor characteristic frequency test 晶体管特征频率测试仪
- internal synthesizer frequency test 内同步器频率试验
- ultra-high frequency test receiver 超高频试验接收机
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Theory Based on Practice in the Voltage Frequency Test of Site GIS GIS现场工频耐压试验的理论和实践
- multi frequency test system for automobile shock absorber 多频减振器试验台
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- The frequency of the test tone was 300 Hz. 测试声为300赫。
- Results: There was no significant difference in pure-tone auditory threshold at all frequencies tested (250 Hz to 8 KHz) in all three groups as compared with those of the control subjects. 结果:在与对应年龄的对照组比较下,分别代表壮年、中年及老年的三组糖尿病患的听力状况,无论是纯音听力平均阈值或是高频部分的听阈都是正常的。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。