double angle formula 二倍角公式 ; 倍角公式
half angle formula 半角公式
submultiple angle formula 半角公式
triple angle formula 三倍角公式
elastic angle formula 弹性角公式
pressure angle formula 压力角公式
vectorial angle formula 向量夹角法
METHODS Chromatogram can be treated as vector of hyperspace, and the similarity between them can be counted according to vectorial angle formula.
方法将色谱指纹图谱看作多维空间内的向量,利用向量夹角余弦的基本公式计算两个指纹图谱间的相似度;
Secondly, the optimum dip angle formula, which makes total length of the cables to be the shortest under the condition of obtaining the same anti-sliding effectiveness, is deduced.
推导了在获得相同抗滑效果的前提下,使得锚索长度最短的最优锚固角公式;
Well, using, again, the double Angle formula.
再次利用二倍角公式。
His idea was, the formula written for the opposite one will have the opposite angle; That turns out to be the correct answer.
他的方法是,反过来的方程,以相反的角来表示,那就能推出正确的答案了
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