但是，根据前文所述，在半导体集成电路行业中，平均制造周期（Mean Cycle Time）和理论制造周期（Sum of process time）之比（称作实际-理论率）在2.5 倍和10 倍 之间波动，远远高于其他制造行业。用定额时间作为排序依据会与实际情况相差过大。
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The process of decomposing a function of time or space into a sum (or integral) of sinusoidal functions (sines or cosines) with specific amplitudes and phases.
把一个时间或空间函数分解为具有一定振幅和相位的正弦函数(正弦和余弦)之和(或积分)的过程。
In earthquake process, average strain rate of the research block is equal to the sum of all seismic moment tensors of the earthquakes taking place in unit time and physical volume.
所研究地块内地震过程引起的平均应变速率等于发生在单位时间、单位体积内的所有地震的地震矩张量之和。
This thesis considers the wear-out process of the system as the sum of an additive compound nonhomogeneous poisson shock wear-out and a continuous routine wear-out in time t.
本文在分析系统的磨损时，综合考虑了到达过程为非齐次泊松过程的随机冲击磨损和连续累积的常规磨损。
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