Vous avez cherché: navigate at (Anglais - Chinois (simplifié))

the military equipment was primarily used by military pilots to fly and navigate at night.
这些军事装备主要由军事飞行员在夜间飞行和确定方向时使用。

17. some migrants have been left alone and adrift on unseaworthy boats by smugglers, who have forced them to crew the boat themselves despite having no knowledge of how to operate the vessel or to navigate at sea.
17. 有些移徙者被走私者抛下不问，任他们在经不起风浪的船里漂泊，他们只能自己驾船，而又丝毫不懂驾船或航海。

this requirement applies to "fishing vessels remaining at sea for more than three days which: (a) are 24 metres in length and over; or (b) normally navigate at a distance exceeding 200 nautical miles from the coastline of the flag state or navigate beyond the outer edge of its continental shelf, whichever distance from the coastline is greater ".
这项要求适用于 "在海上停留三天以上的渔船，如这些渔船：(a) 长度达到或超过24米；或(b) 通常在距船旗国海岸线200海里以上的地点航行或在其大陆架外缘以外航行，以其中离海岸线较远的地点为准 "。