频率的例句大全

Passive smoking with high density, more nightshift, more overloading or carrying appear to be the environmental and occupational risk factors of spontaneous abortion in the areas.

妊娠期间高频率的被动吸烟、常于夜间工作、经常搬运重物或挑担可能是该农村地区育龄妇女自然流产的环境与职业危险因素。

The Relation and Its Application Between Time Interval Measurement and Phase Comparison in the Process of Time Comparison

时间比对中时间间隔测量与频率源比相的关系及其应用

We consider that the variation of the oscillation frequency and anharmonic oscillation in the process of time evolution originate from the stochastic coherence property of atom oscillators in the system.

认为时间演化过程中振荡频率的改变和振荡的非谐性来源于系统中原子振子的随机相干性。

A high flow of gases is produced at the WFC v 1.0 resonance frequency.

阿高流量气体产生的粮食理事会1.0共振频率.

Gunnplexer tuning screw travels IN to LOWER the frequency.

耿儿的调谐螺丝往里拧频率降低.

The frequency of beta waves ranges from 15 to 40 cycles a second.

β波的频率在每秒15周至每秒40周之间.

Direct digital frequency synthesis based on piecewise continuous nonlinear function to approximate

基于分段非线性函数近似的直接数字频率合成器有理函数逼近[近似]（式）对不连续函数的近似解

Peoples physical systems have to retune to this higher frequency, and this speeding up is causing them to change.

人的物理系统必须要于这个更高频率重新校准，这个加速会引起它们发生转变。

The ERF has no obvious effects on sound insolating in moderate or high frequencies, but has apparent effect on th. . .

无论对声传播还是声激振动，电流变材料的影响都是随频率变化而变化的。

It indicates from the experiment results that the stability of laser has been highly enhanced when running with high repetition frequency after using this novel Q-switched method, and it effectively solved thermal depolarization effect, improved output ratio of Q-switching to free running.

实验结果表明，采用这种方式后，在重复频率工作时较大的提高了激光输出稳定性，有效地解决了热退偏效应，提高了调Q动静比。

Enlarging locking bandwidth and decreasing the control error of element free running frequency can make the beam pointing direction more accurate.

阵元自由振荡频率的误差越小，阵元锁相带宽越大，波束指向误差越小；

Microcomputer through the serial communication precise control pwm frequency and pulse width.

微机通过串口通信精确控制pwm频率和脉宽.

The method of frequency and pulse-width measurement in a PC-based virtual-scope is discussed.

讨论了基于PC的 数据采集卡所构成的虚拟示波器中信号频率及 脉宽 的测量方法.

It is shown that the even-odd mode impedance changes rapidly with frequency, especially when the dielectric constant er is small.

结果还表明该结构的偶-奇模特性阻抗Z（eo）随频率变化很大，当相对介电常数εr较小时，变化更大。

As corollaries, we obtain some strong limit theorems for the frequencies of occurrence of states and ordered couples of states for the even-odd Markov chain fields and Markov chain fields.

作为这一类强极限定理的推论得到了状态和状态序偶出现频率的一类强极限定理。

In this paper some strong limit theorems on the frequences of states and ordered state couples for the even-odd Markov chains fields on binary trees, including the estimates of the upper bound and lower bound of asymptotic entropy density and an approximation of Shannon-McMillan theorem, are obtained.

本文建立了二进树上奇偶马氏链场关于状态和状态序偶出现频率的若干强极限定理，其中包括渐近熵密度上、下界的一个估计式及Shannon-McMillan定理的一种逼近。

The phase noise is not only the main specification for the signal generators of the radar, communication and ECCM, but also the main basis to measure the spectrum purity of the frequency synthesizer.

相位噪声是雷达、通信、电子对抗等装备中发射源的主要技术指标，也是衡量频率合成器信号纯度的主要依据。

An increased heart rate and breathing rate are common, too.

心跳加快呼吸频率升高也很正常.

Alcohol can lower blood pressure and decrease your breathing rate to the point of unconsciousness.

含酒精饮料会降低血压和呼吸频率,直至意识不清.

Breathing rate increases to 50 % above normal level. Prolonged exposure can cause headache, tiredness.

呼吸频率增加到正常水平以上50%. 持续暴露会导致头痛 、 疲劳.