Horizontal gene transfer is an important evolutionary mechanism in prokaryotic genome evolution and has been widely studied.
在原核生物的进化过程中，基因的横向转移是一个重要的进化机制。
2
The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width.
揭示了煤体边缘水平应力和垂直应力峰值不耦合的规律以及巷道顶板应力峰值随煤柱宽度不同而演化的轨迹。
3
On the basis of the concept of the vertical crooked arm in material mechanics, a quantitave analysis of the distribution and evolution of horizontal shear stress in vertical folding is discussed.