单项选择题

In using Loran-C，skywave reception gives greater range but is ______．
A.only accurate during daylight hours
B.much less accurate
C.only accurate at twilight
D.more accurate than using ground waves

A.A.only
B.much
C.only
D.more

<上一题目录下一题>

热门试题

单项选择题

单项选择题

In using Loran-C，skywave reception gives greater range but is ______．A.only accurate during daylight hoursB.much less accurateC.only accurate at twilightD.more accurate than using ground waves