So, one of them says the line integral for the work done by a vector field along a closed curve counterclockwise is equal to the double integral of a curl of a field over the enclosedregion.
其中一种说明了，在向量场上，沿逆时针方向，向量做的功等于，平面区域上旋度F的二重积分。
2
The conversion of a former shed into a studio that adjoins the new carport creates a more enclosed layout that recalls the typical arrangement of farms in the region.
改造将前棚设置成毗邻新车棚的工作室，创造了一个更封闭的布局，使人想到该地区农场的典型布局。
3
Today, the Great pyramid is enclosed, together with the other pyramids and the Sphinx, in the touristic region of the Giza Plateau.