主页
学科
搜索
账户
常见问题
当前学科：软件体系结构
题目：
问答题
Stereotypes是UML中最重要的扩充机制，在定义Stereotypes时必须满足哪些规则？
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
醚存放时间过长，会逐渐形成过氧化物，用下列哪种试剂可检验过氧化物的存在? （ ）
对于橡胶软管：当Re＜2000时为层流，Re＞2000时为紊流（）
患者男性，42岁，在房间内因煤气泄露起火烧伤后2小时入院。疼痛剧烈，声嘶，诉口渴，心率150次/min，BP85/60mmHg，面颈部、躯干部布满大小不等水疱，创面基底潮红，双上肢呈焦黄色，无水疱在建立静脉通道快速补液的同时，观察双上肢烧伤焦痂环形，触摸双上肢张力高，指端凉，桡动脉触及不清，需要采取的措施（）
述闸阀Z的使用特点？
当机长发出“撤离”指令时，乘务员的第一个口令是（）。
关于产前检査，正确的是（）
甲公司向乙公司以预收货款的方式销售一批电脑，甲公司增值税纳税义务的发生时间为发出该批电脑的当天。
常规地图可分为全要素地图、各类专题图、遥感影像地图以及统计图表、数据报表等。()T、对F、错
Dinner,for English people,is the richest meal of the day and is a very formal meal.Many people even wear special clothes for dinner,so if you are asked out to dinner you must find out whether you are expected to wear a dinner suit,for you would feel very upset if,when you get there,you were the only person in ordinary clothes.Dinner is generally served at about half past seven.All the members of the family sit down together and eat on their best behavior.The head of the family sits at one end of the table,his wife sits at the other end.If there is a guest,he generally sits in the place of honor,which is at the fight of the lady of the house.If there are several guests,the most important is asked to sit there.When the meal conversation is carried on,you should try to get in conversation with the person on your right or left,but you should not try to talk to someone who is a long way from you.
电气设备的过流保护装置有哪些？