declare和conducted什么意思?

declare和conducted什么意思? announce和declare什么区别? proclaim,declare和announce有什么区别? declare什么意思 declare declare和claim的区别? declare和announce的区别rt announce和declare的区别announce和declare有什麽区别啊? sql中declare是什么意思例如create proc class@xuehao char(8)as declare @name ···as 上面定义的@xuehao 和下面用declare定义的@name有什么不同呀!那输入参数是干什么用的呢?输出参数呢? 请问,according to studies conducted,studies和conducted分别是什么词, claim declare announce这三者有什么主要的区别? state announce declare区别他们有什么区别? 请辨析一下assist/help和declare/announce the first thing you need to do is contact both departments and declare your majors.departments 和 majors 在这里是指什么. be conducted with 一般可翻译成什么? conducted tissue and organ翻译成什么好? 英语翻译31.A market research _____ on the new product at present.A.is conducted B.is being conducted C.have conducted D.will be conducted该题选什么呢?为什么?最好能翻译一下 请问declare和announce以及claim的区别一定要是比较明显具体的区别.不要简单的说说意思,说一说什么情况下该用什么,不能用什么,比如说：宣布法律的成立该用claim还是announce