use case

use case 什么是 business use case? 如何书写Use Case 如何书写Use Case Use Case是什么?怎么用? Please spell paradox backwards.(Use lower case) 什么是用例图（use case diagrams）? use case diagram 有什么用?..还有每一个use case 的class diagramentity relationship diagramactivity diagramcollaboration diagram Case case use case中时序图、协调图、活动图分别用于什么情况下? use case中时序图、协调图、活动图分别用于什么情况下? use case by case 什么事case by case in case 后面要接虚拟语气么?Here's an umbrella in case you ( )it.A should use B needed C needing D to need那哪种情况下不用虚拟呢? 英语翻译I was under the impression that you could only use cabs if you have silversmithing experience and could solder.Is this the case?主要是这个 silversmithing Please take your red ball pens ____ ____ your pencil case.We will use them.Fill in the blanks with the correct prepositions.