简单积分 [数] simple integral
单积分球 Single Integrating Sphere
订单积分 private int orderscore
单变量微积分 Single Variable Calculus ; Differential & Integral Calculus ; [数] one-variable calculus
单轴积分陀螺 single-axis integrated gyro
单中心积分 [物化] monocentric integral
单位分解积分 partition of unity integration
单值积分函数 [数] single-valued integeral function
单向积分通量 [物] unidirectional integral flux
然后就变成了一个单变量积分。
一个向量场,如果定义在单连通区域并且旋度为零，那么它就是一个梯度场，并且其上的线积分与路径无关。
OK, so, we've seen that if we have a vector field defined in a simply connected region, and its curl is zero, then it's a gradient field, and the line integral is path independent.
它们产生在一条曲线上，任何的积分都可以只用一个变量来表示，进行变量替换后，你得到一个，我们知道怎样计算的，单变量积分。
They take place in a curve.You express everything in terms of one variable and after substituting, you end up with a usual one variable integral that you know how to evaluate.
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