A more energy-efficient approach would be to head straight into the current as long as possible and then turn, much as a sailboat tacks in the wind.

一个更节约能源的方法是：尽可能的沿着水流的方向前进，然后再转向，就像帆船在风中行驶那样。

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So, the waves that we see do not normally come straight in, I. E. They approach at an Angle to the shoreline.

因此我们看到的浪一般都不是笔直地移近，它们是以一个斜角度移向海岸线的。

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A total rectangle matching approach is proposed to extract straight roads in urban areas from high resolution remote sensing images.

提出了一种整体矩形匹配方法，对高分辨率遥感影像中的城市直线道路进行提取。

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