中文翻译与英英解释

赤道隆起带。

equatorial:    adj. 赤道的；赤道附近的。 equatorial h ...

bulge:    n. 1.膨胀；肿胀。 2.凸出部分；(桶等的)鼓出部， ...

An equatorial bulge is a difference between the equatorial and polar diameters of a planet, due to the centrifugal force of its rotation. A rotating body tends to form an oblate spheroid rather than a sphere.

例句与用法

Instead of assuming the earth to be a perfect sphere , this function takes into account the actual polar flattening of the earth and the equatorial bulge , which gives a much more accurate computation between the given coordinates
它没有假设地球是一个完整的球面，而是考虑了地球的极轴扁平率和赤道鼓起率，这样就给出了两个坐标间更精确的距离。