广播录像磁带性能要求: characteristic requirements for broadcast video tape
即: Ⅰ动词1.(靠近; 接触) approach; reach; be near 短语和例子可望而不可即 within sight but beyond reach2.(到; 开始从事) assume; undertake 短语和例子即位 ascend the throne3.(就着) prompted by the occasion 短语和例子即兴 impromptu4.[书
