分别用use case diagram,sequence diagram,activity diagram 完成Airline companies offer various flights.A flight is open to booking and closed again by order of the company.A customer can book several flights for different passengers.A booking is c

use case diagram 有什么用?..还有每一个use case 的class diagramentity relationship diagramactivity diagramcollaboration diagram 分别用use case diagram,sequence diagram,activity diagram 完成Airline companies offer various flights.A flight is open to booking and closed again by order of the company.A customer can book several flights for different passengers.A booking is c Use Case是什么?怎么用? use case 什么是 business use case? 如何书写Use Case 如何书写Use Case 关于宏观经济的一道题,Consider an economy in which the interest rate is zero.Comment on the effectiveness of fiscal and monetary policy in this particular case.Use a diagram to illustrate your answer. 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? 英语翻译1.use a venn diagram to compare the reasons why ancient pepoles 2.explored with the reasons why pepole explre today3.work with a partner to brainstorm a list of explorations you know about from previous learning .in each case try to ident Please spell paradox backwards.(Use lower case) 什么是用例图（use case diagrams）? in case in case后面一定要加情态动词吗?in case可以用在什么从句中,分别举例说明?in case 有虚拟的意思吗? occasion,condition,situation,case前面的介词分别用什么? between 与among用between与among填空1.we asked 30 stuedents ____ twelve and sixteen.2.the diagram shows computer use is quite high ____ 14-18 years old.why diagram table graph 这些单词都有什么分别,好像都叫“图表”. 用case造句