模式/内模式映像保证数据库系统中的数据能够具有较高的______。
A、逻辑独立性B
暂无解析
Theintroductionofcontainersintransportgreatly______carriageofgoods.
Wearewaiting______yourreply______ourletter.
Wecannotentertainyoursuggestion________itdoesnotseemworkable.()
Byjointeffortswecan___bothfriendshipandbusiness.()
Importswillbeallowedinproportion_______exports.
