重装机兵3比较好的引:翻译这句话:the number of hours a system ……

翻译这句话:the number of hours a system …… 请问这句话的意思？The number of women students have been cut to 60%. 翻译“a packing note quoting the number of the order” 翻译“a packing note quoting the number of the order” 这句话怎么翻译？the reciprocal of the Gini coefficient 求翻译The number of sensors being …… on the first of October这句话该怎么翻译？ a number of 和the number of 的区别 a number of 和the number of有何区别？ a number of 和the number of不同