Gerardus Mercator's projection, published in 1569, was immediately useful because it depicts a line of constant bearing as a straight line, which is handy for Marine navigation.

福西厄斯•墨卡托的投影于1569年问世，马上就派上了用场，因为它把不变的方位描绘为直线，这对航海非常方便。

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Trend is the direction of the horizontal projection of a line, measured clockwise from north.

线倾向：它是直线水平投影的方向，自正北顺时针度量。

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Draw the projection of the intersection line.

在相交处应画出交线的投影。

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The projection was based on "the assumption that official interest rates move in line with market expectations of a small rise in rates over the next year, " the Bank said.

BBC: NEWS | Business | Bank hints at future UK rate rise