干扰场强单位为μV/m,用dB表示时1μV/m对应为()dB(μV/m)。
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()战役的惨象改变了亨利•杜南先生的一生,使他投入到红十字事业中。
坚持党的领导必须贯彻全面从严治党要求,不断增强党的创造力、凝聚力、战斗力,不断提高党的执政能力和执政水平。
A. 正确
B. 错误
The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that().
A. risk of collision exists
B. the other vessel will cross ahead of her
C. the other vessel is not taking appropriate action
D. collision cannot be avoided by the give-way vessel's maneuver alone