What is the advantage of using DTX for an MS? ()
A、Increases battery life
B、Better Bit Error Rate (BQRE)
C、Higher strength
D、Increased bit rate
E、Better voice quality
A、Increases battery life
B、Better Bit Error Rate (BQRE)
C、Higher strength
D、Increased bit rate
E、Better voice quality
A、Errors due to unusual parallax are eliminated B、The same body can be used for a fix from observations separated by several minutes C、The declination is the only information needed from the almanac D、The semidiameter correction of the sextant altitude is eliminated
A、A.Compass error is negligible at or near the earth's magnetic poles B、B.It does not have to be checked as often C、C.It is reliable due to it's essential simplicity D、D.All points on the compass rose are readily visible
A、The message can be directed to the desired location B、The message can follow the earth’s curvature C、The quality of message can not be affected by climatic D、The range of the message extend and the quality of reception is improved
A、A.The message can be directed to the desired location B、B.The message can follow the earth‟s curvature C、C.The quality of message can not be affected by climatic D、D.the range of the message extend and the quality of reception is improved
A、A.Cranes are able to pick up and drop loads over a greater spotting area B、B.Increased safety because the deck is clear of running and standing rigging C、C.Simplicity of operation of the crane by its operator D、D.All of the above
A、1.Paragraph①() B、2.Paragraph②() C、3.Paragraph③() D、4.Paragraph④() E、5.Paragraph⑤() F、A. What is the function of audio courses? H、B. What is the function of flash cards? I、C. What is the function of traditional courses? J、D. What are the most useful tools for language learning? K、E. What is the function of computer-aided courses? F. What can help you a lot with your language learning? 下列选项正确的是()。