聯合的英語翻譯：

unite; ally; connect; link; associate; band; joint; combination; federation
linkage; union; alliance
【計】 uniting
【化】 union
【醫(yī)】 association; coadunation; coadunition; symphysis; syndesis; union
【經】 associate; coalition; combination; consolidate; consortium; fusion
union

通信的英語翻譯：

communitcate by letter; correspond; correspondence
【計】 communication

指令的英語翻譯：

dictate; directive; injunction; instruction; mandate; statement
【計】 directive; I; instruction
【經】 command; injunction; instruction; precept