进行缮印复制正本的标准依据是()。 ["讨论稿","修正稿","初稿","底稿"]
动物实验证明致畸作用的农药有哪些() ["敌枯双","有机磷杀菌丹","敌菌丹","五氯酚钠"]
《全职猎人》中念气种类?
计算机软件取得著作权的时间为() ["开始开发之日","开发完成之日","开始登记版权之日","版权审批之日"]
4MV光子束,10cm×10cm照射野,SAD=100cm,在7cm深度的TAR为0.8。在SAD处照射野面积相同的情况下,当SSD由93cm变到193cm(距源200cm)时,TAR数值() ["增加5%","增加10%","增加15%","增加20%","不改变"]
备案类存款账户的时限是如何规定的?