非正的 meaning in Chinese

non-positive

And then , in this part , following the idea of topping [ 51 , 52 ] , we will show an isoperimetric inequality ( 6 . 3 . 1 ) on surfaces of non - positive gaussian curvature by means of the curve shortening flow on surfaces , this inequality can be considered as a generalization of the banchoff - pohl inequality in the euclidean plane
然后，仿照topping [ 51 ]和[ 52 ]利用平均曲率流证明等周不等式的想法，我们利用曲面上的曲线缩短流在gauss曲率非正的曲面上证明了一个等周不等式( 6