Black box testing and white box testing.我是学IT的``现在的课程是OOAD（Object-Oriented Analysis & Design ）我需要知道黑盒测试和白盒测试是指的什么````

white box testing是什么意思 Black box testing and white box testing.我是学IT的``现在的课程是OOAD（Object-Oriented Analysis & Design ）我需要知道黑盒测试和白盒测试是指的什么```` black box是什么意思 BLACK BOX怎么样 Black Box的《Ghost Box》 歌词 请帮忙用英语回答下下面的问题1.What're the features of Flat-File Database and Relational Database?2.What's a black box testing and white box testing?3.Discuss the features of a hub,a switch and a router. testing? testing... mum,where are my shoes?they’re in（ ）black box under the bed.A a B an C the the new diana-black box 这首歌的歌词是什么意思 this is an empty box=this box is not 一到英语选择The black box is a necessary device on an airplane,which records its speed,direction and whether everything on the plane ____ normally.A.will function B.are functionedC.is functioning D.has functioned ---- Mum,where did you put my sweater?---- Is it ________ black one?I put it in _______ orange box under your bed.A.a,an B.a,the C.the,a D.the,the 翻译一下 DNA testing is not an unfailing proof of identity 上课讲了一题,没懂,求大神求助.初三英语题.Have you seen a cat? Do you mean a black one park here?I saw it yesterday.Have you seen an empty box? Do you mean the box you showed to me yesterday?I put it in your schoolbag. black eraser前加an 还是a sheer cost 是什么意思呢原文是：Animal testing is the sheer cost. Because animal testing generally costs an enormous amount of money. 1.Kate's shoes are black.(对划线部分提问)(划线部分：black)2.This is an old pencil-box.(改为复数形试）3.Miss Wang is our english teacher.(改为一般疑问句,并做否定回答）4.The girl in the red coat is Jim's sister.（对