测量的航速、航程与船舶实际的航速、航程存在的误差，主要是由于超声波在水中的传播速度发生变化引起的，误差相对较小。
Measuring the speed, range and the actual speed of the ship, the range of error was mainly due to the spread of ultrasound in the water caused by the change in speed, the error is relatively small.
必须以电话或书面形式向星梦邮轮预订部提出取消航程订位，且星梦邮轮预订部实际收到该通知方为有效。
Cancellation notification must be made to Dream Cruises Reservations Office by telephone or in writing and shall be effective only upon actual receipt by Dream Cruises Reservations Office.
这款飞机会有不错的航程，它很大，将会携带很多内置燃料，如果实际情况真的像看上去那样的话。
It will have a decent range, its fat, will carry large amount of internal fuel. If it is as big as it looks.
这款飞机会有不错的航程，它很大，将会携带很多内置燃料，如果实际情况真的像看上去那样的话。
It will have a decent range, its fat, will carry large amount of internal fuel. If it is as big as it looks.
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