研究表明，传统单脉冲和差比幅法实际上是一种搜索方位在和波束最大点附近的单目标的有效方法。
It is shown that sum-difference amplitude-comparison monopulse is in fact an effective search method for a single target with azimuth in the vicinity of the peak the sum beam.
起重机钢结构的疲劳寿命计算，可采用应力比法或应力幅法。
Calculation of crane metal structure on fatigue life may be carried out according to either stress ratio or stress amplitude in related structure.
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