这只渡船轻快地划开水面航行。
眼下在水面航行的最大船舶是油轮。
文中介绍了关于三种不同声源的声图像试验及试验结果，即：水下五元十字形声源的声图像；某型水下发动机的声图像和一艘水面航行船模的声图像。
Three experiments are described in the paper, i. e. the sound image of cross array with five elements, the sound image of underwater engine, and the sound image of moving ship model.
1400年之后不久，造船工人开始开发一种新型的船，这种船设计合理，可以在开阔的水面上航行：它就是卡拉维尔号。
Shortly after 1400, shipbuilders began developing a new type of vessel properly designed to operate in rough, open water: the caravel.
因此，到底皇室成员和要人在水面扬帆航行是为了休闲娱乐、快速便捷还是仅仅需要一条快船用来躲避海盗呢，这完全取决于我们自己的猜测和判断。
So it's up to us to wonder if the royal or important persons were sailing for pleasure, for speed and efficiency or just wanted a fast boat to avoid pirates.
在这片水域并没有船舶警示区，但因为是在夜晚，在水面上的一些船只仍然降低了航行速度。
There wasn’t a No Wake zone near this section of the lake, butsince it was night, the few boaters still out on the water had sloweddown significantly anyway.
第二天，他的兄弟上了船，在水面上航行。
The next day the brother got in his boat and sailed across the water.
在水面的水上飞机，通常应宽裕的让清所有船舶并避免妨碍其航行。
A seaplane on the water shall, in general, keep well clear of all vessels and avoid impeding their navigation.
船长解开绳缆，我侗很快就航行在开阔的水面上。
The captain of the boat cast off the line and we were soon out in open water.
大约40名船员即可完成舰船的航行和维护。除此之外，还需要35名船员来完成一些专业性任务，比如空中防御，水下战事和水面攻击。
A crew of around 40 sail and maintain the ship, whilst another crew of up to 35 are in place to carry out specialised missions, such as air defence, underwater warfare and surface attacks.
船只航行时，一小群海豚跳出水面，令乘客十分高兴。
During the cruise, a pod of dolphins jumped out of the water, to the delight of the passengers.
龙舟在水面上航行的速度飞快，观众一面观赛一面欢呼加油。
The boats move through the water quickly, and the crowds watch and cheer.
目的：了解水面舰艇和核潜艇长期航行对艇员血液细胞成分和某些流变学指标的影响特点，探讨这些影响对艇员健康的意义。
Objective: To study the features of blood cell component and blood rheology of sailors in naval ship and nuclear-powered submarine after long term voyage and their significance in health.
通过这次团结合作，我们将使FIFA这条大船驶回它正确的航道，再次航行在清澈的水面上。
Through this unity we will put FIFA's ship back on the right course in clear, transparent waters.
目前，国内外综合补给船主要用于大型水面舰艇的航行补给，其自身的吨位、尺度都比较大。
At present, the most replenishment ship is designed for large naval vessel, which require their tonnage and dimensions is also large.
另一个使船速加快的秘诀是让它们能够真正在水面上飞快地航行。
Another secret to making boats faster is getting them to literally fly on the water.
我们在明亮如镜的水面上航行。
我们在明亮如镜的水面上航行。
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