某磁盘磁头从一个磁道移至另一个磁道需要10ms。文件在磁盘上非连续存放，逻辑上相邻数据块的平均移动距离为10个磁道，每块的旋转延迟时间及传输时间分别为100ms和2ms,则读取一个100块的文件需要______ms的时间。
D
暂无解析
Itisbelievedthatgrammaranalysisandtranslationbegantobethebasicproceduresinforeignlanguageteachingfrom_______.
Weshallbegladtoreceiveyouoffer ___walnutmeat,shipment,____September/October;_____transshipmentatHongkong.
AccordingtotheGrammar-TranslationMethod,Latingrammarwasconsideredtobethe______grammar.