招标人、中标人订立背离合同实质性内容的协议的，责令改正，可以处( )。A．项目合同

系统提示“找不到调制解调器”时，可以尝试（）解决。

A.重启电脑

B.重新安装操作系统

C.重启调制解调器

D.更换设备

在一定温度下，可逆反应A(气)＋3B(气) 2C(气)达到平衡的标志是( ) 

A．A、B、C的分子数比为1:3:2       

B．A、B、C的浓度相等

C．C生成的速率与C分解的速率相等   

D．单位时间生成n mol A，同时生成3n mol B

下列各物质无论以何种比例混合，其氯元素的质量分数不变的是（　　）

A．HClO₄、KClO₃

B．NaClO、KCl

C．KClO、KCl

D．NaCl、KCl

论述现代化技术在舌运动异常的评估与矫治中的应用。

A multicast router may receive thousands of multicast （） every day for different groups. If a router has no knowledge about the membership status of the （） , it must broadcast all of these packets. This creates a lot of traffic and consumes （）. A better solution is to keep a list of groups in the network for which there is at least one loyal member. （） helps the multicast router create and update this list. For each group, there is one router that has the duty of distributing the （） packets destined for that group. This means that if there are three multicast routers connected to a network, their lists of groupids are mutually exclusive. A host or multicast router can have membership in a group.

This creates a lot of traffic and consumes （）.

A. capability

B. power

C. bandwidth

D. address