搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下面几种关于到位标记销的说法不合理的是（）。

A、标记销的位置必须在D/L图中明确标出

B、一般设置在修边和冲孔的废料上面

C、位置最好设置在对角方向两处

D、只要不影响装配，标记销可任意设计在零件表面，越小越好

答案

参考答案：D

单项选择题

拆迁范围确定后，可以进行的活动是______

A．在原来房屋上搭建新建筑物
B．继续使用房屋
C．将住房改造为商品房
D．对旧房进行改造扩大面积
查看答案
单项选择题

Even though current technologies make the ultimate segmented network impractical, new technologies and products hold the promise of making the concept a reality. Most important of all these new technologies are (71) . The ultimate switched LAN, which is technically possible, now, exhibits the following characteristics:
1. High-speed yet cost-effective switching devices can be implemented on a wide scale, providing dedicated connections for individual users and supporting the aggregate (72) of all networked users.
2. The ability to deploy switching capabilities incrementally into the (73) base. Switching implementations support switching of individual users or groups so that existing users of shared media modules can continue to use the existing equipment until they can justify moving to dedicate switched LAN connections.
3. Support and enhancement of existing routed environments. Switching (74) routint, but rather can be introduced into the network without making any changes to the existing routing equipment or configuration. (75) play a critical role in the integration of switching into existing networks.

A. RoutersB. Devices C. I/O D. DSP
查看答案