英语词汇“分级系统的”的翻译、意思、用法、释义-英汉汉英词典

单词	分级系统的
释义	分级系统的a.hierarchical等级体系的，分级系统的
随便看	service transaction program service; transport service tree service-tree servicetree service-tree (sorbus) service trial service trials service troops service tunnel service type service type parachute service type--parachute service-type test service unavailability per customer interrupted service uniform service unit service update process service user service user abandonment probability service user mistake probability service user partnership service users service utility service validation and testing