对于RN2407，见权力降额曲线的其他信息。
For the RN2407, see power derating curves for additional information.
对于MC 44144，见电源电流降额以获取更多信息。
For the MC44144, see power derating currents for more information.
本文主要描述如何对军用电子测量仪器进行降额设计，有效地提高产品可靠性。
The paper mainly describes the work how we should do on design of reducing rating for the military electronic measuring instruments, to improve the reliability of our instruments effectively.
进行热计算的三个主要方法是通过使用器件降额值、随温度变化功率图或温度模型。
The three main ways of performing thermal calculations are by using a component derating number, or a graph of allowable power versus temperature, or a thermal model.
说明这一方法对元器件的正确选择、电路设计中热电应力的控制和降额等可靠性设计起主导的作用。
The technique plays an important role in the proper selection of parts, thermal electrical stress control in the circuit design and derating.
讨论可以得出：对于三极管、二极管、晶闸管、电容而言，电压降额是降低器件失效率的有效手段；
The conclusion was obtained as below:for triode, diode, thyristor and capacitor, voltage derating was an effective measure to reduce the failure rates;
介绍了元器件的选择与使用、降额设计、热设计、冗余化设计和电磁兼容性设计等多种电子产品可靠性设计的技术方法。
In reliability design, the article emphatically introduces the choice and use of components the design of the sub-rating, the heat, redundancy and EMC.
降额设计是电路可靠性设计中的一种常用方法，通过降额设计可以达到降低器件基本失效率、提高产品使用可靠性的目的。
Through derating design, it can derate the basic failure rate of the components and improve the useing reliability of the product.
五月份销售额略降。
全球最大的保险提供联盟——伯尔尼联盟的成员，在2009年的新政策保险业务额只有360亿美元，较2008年下降38%。
Members of the Berne Union, the largest group of providers of such cover, wrote only $36 billion of new policies in 2009, down 38% on the previous year.
全球最大的保险提供联盟——伯尔尼联盟的成员，在2009年的新政策保险业务额只有360亿美元，较2008年下降38%。
Members of the Berne Union, the largest group of providers of such cover, wrote only $36 billion of new policies in 2009, down 38% on the previous year.
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