Although these calculations are nothing more than basic trigonometry and algebra, the formulas are very complicated.
虽然这些计算无非是最基本的三角形和代数计算，但是所使用的公式非常复杂。
Although these calculations are nothing more than basic trigonometry and algebra, the formulas are very complicated.
虽然这些计算无非是最基本的三角形和代数计算，但是所使用的公式非常复杂。
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