sttd space time transmit diversity空: leave empty or blank; empty; ...时: shí]发射: launch; radiate; project; di ...分: component集: gather; assemble; collect下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:空时发射分集，即可在微信中查询翻译
