1.
chronometer, marine,key-wound
航海天文钟,用钥匙上发条驱动
2.
chronometer, marine, battery, quartz or mains powered
航海天文钟,原电池、石英或用交流电源驱动
3.
celestial navigation
【航海.航空】天体导航法
4.
The H maser's day stability reaches 2E-15/day at Shanghai Astronomical Observatory
上海天文台主动型氢原子钟的天稳好于2E-15
5.
chronometer time plus watch time
天文钟时间加钟表时间
6.
chronometer time minus watch time
天文钟时间减钟表时间
7.
aeronautical and astronautical scientific and technical documentation
航空航天科学技术文献
8.
vehicles for space astronomical observation
空间天文观测航天器
9.
We're casting off from shore at3:00 this afternoon.
我们将在今天下午3点钟从码头启航。
10.
Five minutes later, the spacecraft separated from the Atlas rocket.
五分钟以后，航天器脱离宇宙神火箭。
11.
He had a sudden whim to go sailing today.
今天他突然想要去航海。
12.
mean solar chronometer
天文钟(指示平时的
13.
pivoted detent escapement
枢轴式天文钟擒纵机构
14.
bascule escapement
锁轴式天文钟擒纵机构
15.
spring detent escapement
锁簧式天文钟擒纵机构
16.
On the cultivation of maritime culture in maritime HVE colleges
浅谈航海类高职院校航海文化的构建
17.
Bowditch:american mathematician and astronomer noted for his works concerning navigation.
鲍迪许:美国数学家和天文学家,因在航海方面的著作而闻名。
18.
airborne infrared astronomy telescope
航空红外天文望远镜