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在這種結(jié)構(gòu)中, 所有類型的訓(xùn)練符號都在每個(gè)天線上循環(huán)地發(fā)送.In cyclic training structure, all types of training symbols are transmitted cyclically at each antenna....

“上循環(huán)”的拼音為：shàng xún huán...

“上循環(huán)”的英語可以翻譯為：cocycle ...