A large number of viaducts built in the 19th century in Europe, aims to maintain its navigation of the ship canal.

大量的高架桥于19世纪在欧洲建成，目的是保持其运河中船舶的航行。

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China's Antarctic exploration ship Snow Dragon arrived at the Great Wall Station in Antarctica Thursday after a month of day-and-night navigation.

经过一个月的昼夜航行，中国南极考察队12日乘"雪龙号"考察船抵达中国南极长城站。

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Magnetic compass is one of directional navigation instrument in ship fitting, the deviation of magnetic compass will influence the navigational safety of ship.

摘要磁罗经是船舶装备的主要指向性航海仪器之一，磁罗经自差的大小将直接影响船舶的航行安全。

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During flight operations the captain can normally be found on the bridge directly involved in the mechanics of positioning and preparing the ship for launch and recovery of aircraft, ensuring the safe navigation of the ship and overseeing flight deck operations.

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Ship captains rely on the skill and judgment of harbor pilots to ensure the safe navigation of the vessel so that the cargo can be safely transferred to shore side facilities.

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