What does "open-stack" mean?What does "open-stack" mean in the sentence——"one of the largest open-stack research libraries in the nation"?Thanks a lot.：）难道有哪个图书馆（或其书架）是不开放de嘛？……感觉不太能理解

Gree What time does it open?的答句 What does the teacher do in open education?是什么意思 what does a open volume defect type mean?open volume在这里是什么意思急用 What time ( ) the shop ( ) on Sunday? A.do;open ,B.does; open C, is;close D,is;opened what time doeswhat time （does）the dinning room open for breakfast?是用does还是用is呢? what time does your school gate open in the morning?where does your grandpa live?how does your mother go to work every day?（不能简答） What does the sentence TV help to open our eyes mean?It____we can learn more with _____ what does the sentence mean:I is an open book that Jane has got married.是啥东东? 如何将下面的改为间接疑问句?间接疑问句的结构是什么?what time does the post office open? 1.（ ）What else_____Kitty_____buy for the school open day?A.need;to B.needs:to C.does;needD.does;need to 请问What time与When有区别吗?好像在助动词使用有所区别，例如：When do the store open?商店几点开门?What time does the store open?商店几点开门? 翻译:when does the library open? 翻译:when does the library open? What does open-stack mean?What does open-stack mean in the sentence——one of the largest open-stack research libraries in the nation?Thanks a lot.：）难道有哪个图书馆（或其书架）是不开放de嘛？……感觉不太能理解 英语脑经急转弯ben is very hungry.there is canned fish and canned chicken in the fridge.what does he open first? when does it open为什么这里有DOES,OPEN两个动词? What does she like? what does Bob do?