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【判断题】
脉冲宽度及脉冲能量越大,则放电间隙越小。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】在LTE中常见的室外天线主要有两种类型: 和 。
【单选题】ECDIS must give an alarm for which of the following cases ().
A.
When the specified limit for deviation from the planned route is exceeded
B.
If the ship，within a specified time set by the watch officer，is going to cross a safety contour
C.
If the ship，within a specified time set by the watch officer，is going to cross the boundary of a prohibited area
D.
All of the above
【单选题】以下关于主机配置与DHCP协议的描述中,错误的是
A.
主机配置参数主要有网络默认路由器地址、掩码、服务器地址、分组TTL值等
B.
对于远程主机、移动设备、无盘工作站和地址共享的配置，可以手工完成
C.
在TCP/P协议体系中，DHCP协议位于网络层
D.
DHCP可以为主机自动分配IP地址及其他一些重要参数
【单选题】图书馆总馆和南区分馆均有用于学习交流、合作学习的小组学习室,请问如何根据需要合理使用这些学习场所?
A.
不用预约，直接使用
B.
通过值班馆员申请
C.
通过图书馆网站下载填写“场地预约”申请表向图书馆申请使用
【单选题】154 When items to be purchased for a project are specified by performance characteristics:
A.
paperwork is greatly reduced
B.
the supplier is held liable for the operation of the item
C.
the supplier is held liable for the maintenance of the item
D.
the supplier is held liable for that the item meets the design, dimensions, and tolerance specifications.
E.
B and D only
【简答题】国家标准规定的图纸基本幅面中，（）最大，（）最小。
【单选题】When items to be purchased for a project are specified by performance characteristics:
B.
paperwork is greatly reduced B the supplier is held liable for the operation of the item
D.
the supplier is held liable for the maintenance of the item D the supplier is held liable for that the item meets the design, dimensions, and tolerance specifications.
E.
B and D only
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