There is nothing very complicated here.
这里没有特别复杂的东西。
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。
Nothing complicated, but it is often very effective.
这并不复杂，但确实十分有效。
Nothing complicated, but it is often very effective.
这并不复杂，但确实十分有效。
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