[单选] 挂失解挂可通过（）方式办理。

下面哪一个不是传送Email的协议（）。 SMTP。 P0P。 TELNET。 MIME。 额定功率是信号源所能发出的（）功率。 最大。 最小。 0。 You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）. alter course to starboard to pass around the other vessel。 reduce your speed to bare steerageway。 slow your engines and let the other vessel pass ahead of you。 alter course to port to pass the other vessel on its portside。 RADSS型母差保护TA二次回路断线闭锁装置的作用是什么？ （）is the main reason that reduces the power advantage of a two-stroke engine over a same size four-stroke one to about（） Inefficient scavenging；twice。 Inefficient scavenging；1~8 times。 Fewer strokes in a circle；twice。 Fewer strokes in a circle；1~8 time。 挂失解挂可通过（）方式办理。