更多"雷达不是英文“Radar”的译音。"的相关试题:
[判断题]国雷达生命探测仪出现“Radar Time Out雷达超时”和“Connection Abandoned连接失败”错误提示框时，应退出LifeBeat，重新进入再试一次、如果出现同样的错误，重头开始先前的步骤，包括装电池。
[判断题]美国雷达生命探测仪出现“Radar Time Out雷达超时”和“Connection Abandoned连接失败”错误提示框时，应退出LifeBeat，重新进入再试一次、如果出现同样的错误，重头开始先前的步骤，包括装电池。
[判断题]NO DANGEROUS TARGETS ON RADAR.的中文意思是：在雷达上未见危险物标。
[判断题]雷达方程常用来作为一个估算的公式，考察雷达各参数对作用距离影响的程度，雷达作用距离也不是一个确定值而是统计值。
[单项选择]The 10-cm radar as compared to a 3-cm radar of similar specifications will（）.
A. be more suitable for river and harbor navigation
B. provide better range performance on low lying targets during good weather and calm seas
C. have a wider horizontal beam width
D. have more sea return during rough sea conditions
[单项选择]The 3-cm radar as compared to a 10-cm radar with similar specifications will（）.
A. give better range performance in rain，hail，etc
B. display small targets in a mass of dense sea clutter at a greater range
C. have less sea return in choppy rough seas
D. display a more maplike presentation for inshore navigation
[单项选择]对于二次雷达，下列信息中，不是雷达的天线码盘编码器提供的是（）。
A. 天线的指向角
B. 正北脉冲NRP
C. 方位增量脉冲ACP
D. 偏离瞄准轴OBA信息
[简答题]安全管理体系文件如不是英文或法文，是否需有英文或法文的译本？
[判断题]按照雷达信号的形式可分为：脉冲雷达、连续波雷达、单脉冲雷达。
[单项选择]下列哪项不是一次雷达的组成部分（）。
A. 发射机
B. 接收机
C. 波导
D. 测试应答机
[单项选择]Radar beacons are transmitters designed to produce a（）on the screens of ship’s radar sets.
A. incorrect image
B. distinctive image
C. pictorial image
D. pictographic image
[单项选择]I（）shorebased radar assistance.
A. ask
B. look for
C. require
D. in need of
[单项选择]The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
A. transmitter
B. antenna system
C. indicator
D. modulator
[单项选择]Which statement concerning the operation of radar in fog is TRUE?（）
A. Radar ranges are less accurate in fog
B. Navigation buoys will always show up on radar
C. A sandy beach will show up clearer on radar than a rocky cliff
D. Small wooden boats may not show up on radar
