这是一个已知功能的基因从一个高等植物的细胞核水平（横向）转移到另外一个高等植物细胞核的第一被证明的案例。

This is the first proven case of the horizontal transfer of a gene with known function from the nucleus of one higher plant to another.

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旋转武器已被用于为了保持座椅水平的纵向和横向的驱动器。

Rotating arms have been used in order to keep the seats level for both vertical and horizontal drive.

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系统中的墙壁(垂直)和屋顶以及楼面横隔(水平)的一般都是简支，协调工作以抵抗横向和纵向荷载。

System of walls (vertical) and roof and floor diaphragms (horizontal) that are generally simply supported and work together to support both vertical and horizontal loads.

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