infinitesimal element meaning in English

微元
无穷小元素

For the investigation of the laws of history , we must completely change the subject of observations , must let kings and ministers and generals alone , and study the homogeneous , infinitesimal elements by which masses are led
为了研究历史规律，我们应该完全改变观察目标，敞开帝王大臣将军们，转而研究民众所遵循的同一类型的无穷小的因素。
In this paper , on the basis of existing tracing method and differential coefficient method , five new methods are put forward , superposing of infinitesimal element - tangent method , differential coefficient - tangent method and equation method , by taking advantage of fast calculating ability of the computer . two - dimensional planar electrostatic field of complicated charged bodies are simulated successfully with these methods . the changing trend of electric field along a certain direction of a set of point charges are also given in this paper
本文利用计算机快速准确的计算能力及其强大的图形处理功能,在现有循迹法和微分法的基础上,提出了微元叠加一切线法、微分一切线法以及方程法方法,成功地模拟了一些复杂带电体的二维平面静电场以及平面分布的点电荷系的电场沿空间某方向的变化趋势。