例句與造句

1. And the results of calculation and numerical simulation indicate , without increasing the intrinsic collector - junction area of power devices , collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter , improve heat - dissipating method of each cell of the chip , enhance the distribution uniformity of junction temperature and current of each cell of the chip , reduce the thermal resistance and raise the dissipation power pd and output power p0 , fairly well relax the contradiction among frequency , out - put power and dissipation power of the devices , and further improve the devices " property against second breakdown
   而計算分析和二維數(shù)值模擬分析結(jié)果表明：梳狀集電結(jié)(基區(qū))結(jié)構(gòu)在不增加器件本征集電結(jié)面積的條件下，增大了器件的本征散熱面積和基區(qū)周長，改進(jìn)了每個子器件單元內(nèi)的散熱方式，提高了單元內(nèi)結(jié)溫和電流分布的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統(tǒng)結(jié)構(gòu)中頻率與功率、功耗的矛盾，并有利于改善器件抗二次擊穿的性能。
2. It's difficult to find second breakdown in a sentence. 用second breakdown造句挺難的