航海工具
航海工具-
即使没有现代航海工具的帮助，旅行家们也不是任凭大海摆布的。
Travelers were not the of the sea even though they did not have modern navigational aids .
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中国古代航海文献是航海文化的一面镜子，其内容涵盖各个历史时期航海活动的航区、航海工具、航海科技、航运管理等，涉及大量航海术语。
As a mirror of navigational culture , ancient Chinese navigational literature covers the navigational areas , tools , science and technology and administration of marine navigation in each historical period , including plenty of navigational terms .