green'BNC²³⁶²¹³⁺¹ 例句 In the plane that is called Green' s theorem. 平面上的就是格林公式。163 So, Green' s theorem says that if I have a closed curve, then the line integral of F is equal to the double integral of curl on the region inside. 格林公式内容是如果有一条封闭曲线,那么对 F的线积分就等于,区域内 F旋度的二重积分。163