A、great convenience
B、finding true north
C、magnetic characteristics
D、simplicity and reliability
更多“Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.”相关的问题
A、drops，and the temperature drops B、drops，and the temperature rises C、rises，and the temperature drops D、rises，and the temperature rises
A、Drops，and the temperature drops B、Drops，and the temperature rises C、Rises，and the temperature drops D、Rises，and the temperature rises
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
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