短语词组短語timing sign -off 時序終止Launch Sign -Off 投産騐收sign -off 廣播完畢;簽署同意;簽收;簽証Single Sign -Off 單點登出sign sb off 開假條You Sign It Off 你簽字就自己FSFinal Sign -off 最終騐收Deliverable Sign -off 項目交付項目騐收LSLaunch Sign -Off 投産騐收 返回 sign off