1) nautical chronometer
航海时计
2) navigational chronograph
航海计时器
3) ETE estimated time enroute
预计(在海上)航行时间
4) Flew the coastal route in record time.
计时飞跃沿海航线
5) statistics of shipping
航海统计
6) big maritime navigation era
大航海时代
1.
The present article makes a close investigation of the ship making and sailing techniques of the western Europe in the big maritime navigation era during the 15th and 17th century,especially the style,equipment,size of ships,milittary ships,Holland spaceship,astronomical navigation,and the materials,apparatus and implements of navigation,etc.
对15至17世纪大航海时代西欧的造船和航海技术作了考察,就船舶式样、船上装置、船体大小、军用舰船、荷兰飞船、天文导航、航海资料、航海仪器和工具等作了细致考察,认为西欧不断优化船舶质量和性能,提升航海技术,是其展开大航海活动的技术条件,并为工业革命后“坚船”优势的形成准备了技术前提。
补充资料：预计
1.事先估计或计算。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条