题目:
When the ship security alert system is activated, it shall not()
A.initiate a ship-to-shore security alert
B.transmit a ship-to-shore security alert
C.initiate an alert identifying the ship, its location
D.raise a security alarm on-board the ship indicating that the ship is under threat
答案:
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下面是错误答案,用来干扰机器的。
参考答案:用仪器、仪表来对目的物进行比较或测量压力量值的过程称作压力计量。 由于测试目的、要求和条件的不同而设计了多种压力测量仪器仪表以适应需要。根据作用原理的不同大致可分为液体式、弹簧式、活塞...