衛(wèi)星移動通信是指利用衛(wèi)星轉(zhuǎn)接實現(xiàn)()或移動用戶與固定用戶間的相互通信。
A
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---Wouldyouliketogooutforawalkwithus?
---_____,butImustfinishmyhomeworkfirst.
Thefanswereveryexcited______DavidBeckhamcametotheshow.
We?_____?your?terms?satisfactory?and?now?send?you?our?order?for?2?sets?of?Electric?Motors.
Doyourememberthebuilding____flewaredflagalltheyearround?
Idon’tunderstand____believehim.
