If the input signal is anywhere in the frequency range of the detector, the meter will make a valid power measurement.
只要输入信号落在检测器的频率范围内，则功率计就能给出准确的的功率。
That is, a deep understanding of the issues and practices involved in the phenomenon improves the valid-ity, sophistication and power of theoretical models developed.
也就是说，对于各种现象中的问题与实践的理解可以促进所设立的理论模型的有效性、完善性和影响力。
Power quality is getting along with the extensive application of nonlinear load, active power filter technology is the valid way to settle the problem.
随着非线性负荷的广泛使用，电能质量日益下降，有源电力滤波技术是解决该问题的有效手段。
The results show that, the presented methods are valid and feasible for extension planning of power system.
计算实例表明所用方法对电力系统电源扩展规划是有效的、可行的。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
This Power of Attorney is coupled with an interest and shall be irrevocable and continuously valid from the date of execution of this Power of Attorney, so long as we hold Our Shareholding.
在本公司持有本公司股权期间，本授权委托书不可撤销并持续有效，自授权委托书签署之日起算。
This Power of Attorney is coupled with an interest and shall be irrevocable and continuously valid from the date of execution of this Power of Attorney, so long as I am a shareholder of Heat Power.
在本公司为热力的股东期间，本授权委托书不可撤销并持续有效，自授权委托书签署之日起算。
The power density spectrum of an inner-phase-modulated optical fiber resonator is analyzed theoretically and experimentally, which is valid for any source coherence time.
从理论上详细分析了光纤环形腔有内相位调制时的输出光电流功率谱密度函数，该理论对任意相干长度的输入激光光源都是有效的。
Finally, the measures of improving the valid purchasing power of residence and the mathematics model which judge resident consume ability are put forward.
最后，本文提出了提高城镇居民住宅市场有效购买力的措施及检验城镇居民住宅消费能力的数学模型。
Through these design ways, the valid length of jet and the penetration power of shaped charge were improved evidently.
这种改进大大增加了有效射流长度，可使聚能装药的破甲威力大幅度提高。
Educative power has its valid origin, and has the indispensable existence conditions.
教育权力的存在有其正当性根源，也有其不可脱离的存在条件。
Scholastic power and its valid operation results from the joint function of all relative factors.
学术权力及其有效地运行是各相关要素共同合力作用的结果。
A technical solution in power design for high speed sampling system is derived, which solve the power supply problem of that system well, and is proved to be valid and stable in practice.
本文提出的高速数据采集系统的电源设计方案，比较好的解决了该系统的供电问题，并在实际应用中验证了该方案的有效性和稳定性。
The study of credible region plays an important role to assess the valid range of the approximated transient stability boundary for power system.
可信域的研究对于评价电力系统暂态稳定域近似边界的有效范围具有重要作用。
Points out that the cubic law of pump power is not valid for the cooling water system of central air conditioning for it is an open system. The static head should be the lift in a cooling tower.
指出集中空调冷却水系统为开式系统，一般不适用功率三次方定律，静压头应为冷却塔塔体扬程，并提出了冷却水泵变速时轴功率的计算公式；
Article 5 The captains, chief engineers, pilots, engineers and radio and telephone operators of power-driven vessels shall pass examinations and hold valid certificates of job qualification.
第五条机动船舶的船长、轮机长、驾驶员、轮机员、无线电报务员或者话务员，应当经过考试，持有合格职务证书。
Article 5 The captains, chief engineers, pilots, engineers and radio and telephone operators of power-driven vessels shall pass examinations and hold valid certificates of job qualification.
第五条机动船舶的船长、轮机长、驾驶员、轮机员、无线电报务员或者话务员，应当经过考试，持有合格职务证书。
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