摘要
本文采用数学分析方法，利用双叶片椭圆形网板前三角支架理论高度设计计算中的有关因素，与已知因素建立三元二次方程组，从解方程组中求得这些因素的值，从而精确地计算出三角支架理论高度ｈ的值。
This article shows how to set up two power equations with known factors and three unknown factors which affect the height of bracket. After Solving the equations,theoretical height of bracket,the unknown factor s are accurately worked out.
