It is well known that in evaluating the value of certain probability integral with normal distribution, there are three kinds of table usually employed.
众所周知，在计算正态分布的概率积分值时，有三种表可供查阅。
According to the theorem of integral mean value it is proved in this paper that by means of probability integral the subsidence equivalent curve is a circle or a ellipse.
文中还根据积分中值定理证明了应用概率积分法求得的下沉等值线是椭圆形或圆形。
应用推荐