单选题chronometer（）A天文钟B车钟C六分仪D舱机
单选题
chronometer（）
A
天文钟
B
车钟
C
六分仪
D
舱机
参考解析
解析：
暂无解析
相关考题：
All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the ______.A.deck logbookB.official logbookC.compass record bookD.chronometer error book
Chronometer error may be found by ______.A.radio time signalB.applying the prevailing chronometer rate to previous readingsC.comparison with a timepiece of known errorD.All of the above
单选题Chronometer error may be found by（）.Aradio time signalBcomparison with a timepiece of known errorCapplying the prevailing chronometer rate to previous readingsDAll of the above