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- The resulting frequency varies by a few percent. 最终频率有少许变动。
- The buildings were locked in varying time periods related to the timeframe that they had been constructed or refurbished. 建筑被封锁在与它们被建造或被整修的时间架构有关的不同的时间周期中。
- Methods: Adopt UV separate established standard curve and determined recycle rate and observed stability of Cephradine in Tinidazole at varying time. 方法:采用紫外分光光度法建立两者的标准曲线和测定回收率,并观察不同温度下、不同时间的配伍稳定性。
- Discussed in the paper is an automatic gain controi system of varying time constant that has a square-law nonlinear chaiactcristic device in the AGC low-s. -i &pass filter(TjAGC), on the basis of RefereT. ce (j). 本文在文献的基础上,讨论了一种在AGC低通滤波器中具有平方律非线性元件的变时间常数自动增益控制系统,给出了这种自动增益控制系统在应用中具有重要意义的特性及其设计公式,并与文献和文献的有关结果作了比较,以供有关设计人员参考。
- Objective:To isolate,treat and control infections source effectively,the regular of excreted bactenria of medicine resisting typhoid patients were observed in varying time come down with the illness. 目的:观察耐药伤寒病人病后不同时间的排菌规律,为有效地隔离、治疗和控制传染源提供依据。
- The investigation results showed the frequency varied with the radios of laser-generated bobble, i. e, the bigger the radius, and the lower the frequency. 结果表明,激光泡半径大小对应着不同的声波频率,泡半径大的,声波频率较低。
- AN AUTOMATIC GAIN CONTROL SYSTEM OF VARYING TIME CONSTANT 一种变时常数自动增益控制系统
- He varied the transmission frequency. 他变换了无线电传送的频率。
- The Application of the Frequency Varying and Speed Regulating Technique in the Industry Sewing Machine 变频调速技术在工业缝纫机中的应用
- Design of miniature calibration wind tunnel and frequency varying data automatic acquisition system 小型校准风洞的设计及变频调速数据自动采集系统
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Investigation of Fault Diagnosis with Frequency varying Signals for EHV Transmission Lines 用变频信号进行超高压输电线路故障诊断初探
- A kind of controller used to deal with the varying time delay unknown disturbance process 一类用于变时滞未知扰动过程的控制器
- 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。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- AN AUTOMATIC GAIN CONTROL SYSTEM OF VARYING TIME CONSTANT THAT HAS A SQUARE-LAW CHARACTERISTIC DEVICE IN AGC LOW PASS FILTER 在AGC低通滤波器中具有平方律非线性元件的变时间常数自动增益控制系统
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- The aftershock frequency decreases regularly with time. 余震的频度随时间有规律地减少。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Specify the time and frequency with which to compile audiences. 指定搜集访问者所使用的时间和频率。