更多"A check line is（）."的相关试题:
[单项选择]A check line is（）.
A. A safety line attached to a man working over the side
B. Used to measure water depth
C. Used to slow the headway of a barge
D. Used to measure the overhead height of a bridge
[单项选择]Compared to manila line，size for size，nylon line（）.
A. has less strength than manila line
B. has more strength than manila line
C. is equivalent to manila line
D. will rot quicker than manila line
[多项选择]Check约束可以实现（）
A. 限制一个表中单个列的取值范围
B. 限制一个表中多个列之间的取值约束
C. 限制不同表之间列的取值约束
D. 为列提供默认值
[多项选择]POST-LINE重删与IN-LINE重删的主要区别是（）。
A. IN-LINE重删技术能够边接收数据边进行数据重删
B. POST-LINE重删技术先接收数据再进行数据重删
C. POST-LINE重删技术存储空间利用率低于IN-LINE重删技术
D. IN-LINE重删技术对备份设备性能的要求高于POST-LINE
E. POST-LINE重删技术存储空间利用率高于IN-LINE重删技术
[单项选择]CHECK约束的作用是（）
A. 维护数据的实体完整性
B. 提高数据录入效率
C. 限制列的取值范围
D. 提高数据修改效率
[单项选择]在GSM LINE CHART窗口配置中，在style窗口选择Line，则窗口显示的参数形状为（）
A. 线性图
B. 柱状图
C. 圆形图
D. 椭圆图
[单项选择]Thoroughly conduct a background check on the company, （）as many phone calls and Internet searches as you can.
A. made
B. makes
C. making
D. make
[单项选择]When a diesel engine compression pressure is checked, the indicator is connected to the （）
A. cylinder exhaust ports
B. injection line
C. cylinder indicator cock
D. banjo oiler line
[单项选择]Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.
A. control the back pressure of return oil
B. lock the oil lines under some conditions
C. change the direction of oil flow
D. act as relief valve
[单项选择]Check value is used to control （）
A. direction of oil flow
B. back pressure of return oil
C. bypass of filter
D. high pressure overflow
[单项选择]Which publication should you check for complete information on Puget Sound weather conditions? （）
A. Sailing Directions
B. Light List
C. Coast Pilot
D. Chart of the area
[单项选择]The network administrator has asked you to check the status of the workstation’s IP stack by pinging the loopback address.Which address would you ping to perform this task？（）
A. 10.1.1.1
B. 127.0.0.1
C. 192.168.0.1
D. 239.1.1.1
[单项选择]Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.
A. above
B. at
C. over
D. within
