The FCC's approved Second Memorandum Opinion and Order sets aside two unused UHF frequencies nationwide for the use of microphones and other low power auxiliary service devices.
FCC批准的第二意见与指示备忘录在全美范围内为麦克风与其他低电能辅助服务设备的应用划分了两个未使用的超高频频率。
A femtosecond laser pulse lasts on the order of a quadrillionth of a second but reaches a peak power equivalent to that of the entire power grid of North America during its short burst.
这种飞秒激光脉冲持续兆分之一秒(千万亿分之一秒)的时间，但是在其短暂的持续时间内，功率峰值可以达到北美电网功率相当的水平。
Second, in order to prevent the abuse of power from the parliament majority, constitution directly restricts the parliament power.
二是通过对议会权力的直接限制，防止议会多数滥用权力；
In this thesis, switchgear test power is supplied by a pulse power, composed of a second order oscillating circuit including a capacitance.
区别于现有的微欧仪，本设计采用由电容组成的二阶振荡电路做脉冲电源对开关进行放电。
In either case the internal friction is found to be proportional to the first and second power of (1-s), where is the degree of long range order.
在这两种情况中，内耗都是正比于(1 - S)的一次幂或二次幂的，这里s是长程有序程度。
It is also shown that the second-order moment method of the power density is applicable to the truncated beams and overcomes the divergence difficulty of the beam quality factor.
功率密度的二阶矩方法可用于截断光束，并克服了光束质量因子的发散困难。
The paper makes a study of nonlinear dynamics property of second - order circuit stimulatedby sine-wave POwer.
本文研究在正弦电源激励下的二阶电路中的非线性动力学性质。
The second order perturbation solution for the flow of power-law fluid in stillness a helical pipe is obtained with curvature and torsion as small parameter.
以曲率和挠率为小参数得到螺旋管道内幂律流体流动的二阶摄动解。
A digital circuit implementing pulse width modulation controls power delivered in what one can model as a second order or higher order system.
一种数字电路实现的脉冲宽度调制控制在可以将其建模为二阶或更高阶系统的系统中传输的电力。
The power source used 14 power file effect transistor MOSFET in power transformer second order; all the combinations of twist-coil could construct 18 different second orders.
供电电源则将14只功率场效应晶体管MOSFET接入电源变压器次级，两绕组的全部组合可构成18个不同扎数的次级。
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示，变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异；
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示，变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异；
应用推荐