英语语法分析

Excessive bandwidth could result in performance degradations caused by system overloads.

过高的带宽可能导致由系统超载引起的性能减退。

The degradations of device output conductance, subthreshold conduction and RF characteristics are also analyzed.

对器件的亚阈区导电和RF等特性的热载流子退化，也作了相应的分析。

The degradations of polystyrene(PS) and the mixture of PS/polypropylene (PP) in supercritical water were studied in this article.

对聚苯乙烯（PS）和聚苯乙烯（PS）与聚丙烯（PP）的混合塑料进行了超临界水降解实验。