[ 复数 sextants ]
·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A sextant is an instrument used for measuring angles, for example between the sun and the horizon, so that the position of a ship or aeroplane can be calculated. 六分仪; 用于测算船只或飞机位置的仪器
A navigator also had to know how to use a complex instrument called a sextant.
VOA: special.2009.12.23
This milestone in aeronautical history marks the first use of the sextant in air navigation.
UNESCO: MEDIA SERVICES
Other important navigation tools include: the sextant, the astrolabe, the diptych, GPS devices.
FORBES: No. 3 The Compass
For measurement purposes, the transit of Venus is as obsolete as a sextant.
ECONOMIST: Transits of Venus
应用推荐
模块上移
模块下移
不移动