单词	ratio， mark-to-space
释义	ratio， mark-to-space傳號對空號比通訊工程
随便看	information storage density information storage interface information storage interface{=isi} information storage means information storage tube information store information storing device information strategy information stream information strength information structure information structure design information structure implementation information structure implementation--isi information structure implementation，isi information subject information subsidy information subsystem information superhighway information supply chain management information survivability information symbol information system information system abuse information system access line