Zidovudine prevents human immunodeficiency virus mother to child vertical transmission;
齐多呋啶阻断艾滋病病毒母婴垂直传播
Construction of mouse model of vertical transmission by oral infection of Toxoplasma gondii;
经口感染弓形虫垂直传播小鼠模型的建立
Establishing mouse model of vertical transmission of Toxoplasma gondii;
弓形虫垂直传播小鼠动物模型的建立
A convenient method in solving the spiral perpendicular to the extruded object;
一种便捷的解决螺旋线与拉伸对象垂直的方法
By taking the strategy of uniting geometry with algebra and using the method of minimal value, the relationships of intersection, parallels and perpendicular between two three dimensional spaces in four-dimensional descriptive geometry are investigated and the calculation formula of the distance between two three-dimensional spaces are given.
用形数结合的观点和条件极值法，研究了四维空间的两三维空间的相交、平行和垂直的相互关系计算出两平行三维空间的距离。
By taking the strategy of uniting geometry with algebra and utilizing the principle that the dot product of two perpendicular lines is zero, all the perpendicular problems encountered in four-dimensional space are systematically discussed.
本文用形、数结合的观点,以两线垂直数性积为零作为基础,直线与三维空间垂直的投影特征作为图解问题的依据,系统地论述了四维空间里的所有垂直问题,且各种情况均有明确的结论。
Something vertical, as a line, plane, or circle.
垂直物垂直的东西，比如垂直线，垂直面或垂直圆
A vertical or nearly vertical line or plane.
垂直线，垂直面垂直或近似垂直的线或平面
adjust with a plumb line so as to make vertical.
用铅垂线调整使得垂直。
In a vertical or perpendicular line.
垂直地在一条垂直线或竖直线上
vertical ascent
垂直上升(悬停前)
normal force
法向[正交、垂直]力
Involving a perpendicular or rightangle relationship.
指垂直或直角关系。
The helicopter flew up vertically
直升机垂直向上飞起。
jump vertically, with legs stiff and back arched, as of horses.
垂直跳，腿僵直，后背拱起。
Normal incidence
垂直入射(亦见直射声束)
inner or outer surface of sth more or less upright
（垂直或近似垂直物的）内侧或外侧
A sheer incline, such as the face of a cliff.
落差垂直落差，如悬崖的垂直落差
A New-style Vertical Anti-seepage Technique--Laying Plastic Vertically;
一种新型垂直防渗技术——垂直铺塑
apeak: In a vertical or almost vertical position or direction.
垂直着(的);竖立着(的): 处于垂直或几乎垂直的位置或方向。
vertical judder
垂直位移;垂直投影的不稳定性;(显象管上图象)垂直位置不稳定
The plumB line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。
The cliff rose in a vertical wall from the sea.
悬崖在海边垂直峭立。
conductor support box
(垂直敷设的)导线支撑盒