Successive contours of plastic work in the biaxial stress space and the plastic strain rate ve-ctors are precisely measured for linear loading paths.

I think this sentence is not right as to it's intended meaning.

Successive contours of biaxial stress space and strain rate ve-ctors are precisely measured under linear loading condition..

.. for plastic work

有道
连续的轮廓的塑料在双轴应力空间和塑性应变工作　　速度向量是线性加载路径进行精确的测量。