【单选题】
The Loran needs（）.
A、repairing
B、to repair
C、repairs
D、have repaired
查看正确答案A、repairing B、to repair C、repairs D、have repaired
搜题
更多“The Loran needs（）.”相关的问题
第2题
A、A.on loran charts covering areas where sky waves are used B、B.in the Radio Aids to Navigation，PUB 117 C、C.in the Loran-C Correction Tables D、D.Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
第3题
A、The bottom samples and fathometer reading prove the loran fix is reliable B、The bottom samples and fathometer readings indicate that the loran fix is unreliable C、The information collected indicates that the fathometer may be in error D、The information collected indicates that the chart is most likely in error
第5题
A、The ship needs loading. B、The ship needs discharging. C、The ship needs unloading. D、The ship needs loading and discharging.
第6题
A、The current is flooding B、You are being set to the left of the track C、The set is towards the southwest D、The drift is 0.6 knot.
第8题
A、A.Less signal energy is necessary for receiver operation B、B.More signal energy is available at the receiver C、C.It significantly increases the peak power D、D.It increases the signal capacity
