The enough capacity of an iffy EC system is analyzed by using of performance rules and queue theories, and a general method for analysis and evaluation is given.
运用性能定律和队列理论，对电子商务系统的足够容量问题进行了分析，给出一般的分析和评价方法。
An general analysis for front end performance of turned optical receiver for microwave subcarrier multiplexed lightwave system was presented. Formulas for front end circuits were deduced.
采用综合的分析方法从理论上分析了适合于微波副载波传输的谐振式光接收机前端的特性，提出了一整套计算公式。
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