the process or activity of accurately ascertaining one's position and planning and following a route
航行;航海;航空。
the passage of ships
航运,水上运输
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transporter bridges to span rivers without hindering navigation .不妨碍航运的跨河运输桥。
[count noun]
〈主方〉 内河水道(尤指运河)。
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navigationn.航行;航海;航空;航运;水上运输;内河水道
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aviationn.飞行;航空;驾驶
"early 16th cent. (denoting the action of travelling on water): from French, or from Latin