试题与答案

()is used for receiving maritime safety in

题型:单项选择题

题目:

()is used for receiving maritime safety information which is automatically printed by the receiver.

A.NAVETEX receiver

B.Search and Rescue Transponder

C.Emergency Position Indicating Radio Beacon

D.Digital selective calling

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:此事件过程是KeyPress事件过程,所以参数KeyAscii得值是键盘输入的 字符得ASCII码值,上述过程对输入得字符进行判断,如果其ASCII码大于65(大写字母 “A”)并小于122(小写字母“a”),则用星...

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