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- two perpendicular cracks 两垂直裂纹
- You mean the two perpendicular to each other. 你是说那两座桥相邻成直角。
- Two perpendicular lines are chosen as the x and y coordinate axes. 选两条垂线作为x和y坐标轴。
- The plane area bounded by such an arc and two perpendicular radii. 四分之一圆，扇形体由九十度弧与两条垂直的半径围成的平面图形
- Having or constituting a support with two perpendicular axes, one of which is parallel to the earth's rotational axis. 赤道平面上的由两条互相垂直的轴支撑的，其中一条与地轴平行
- Having or constituting a support with two perpendicular axes,one of which is parallel to the earth's rotational axis. 赤道平面上的由两条互相垂直的轴支撑的，其中一条与地轴平行
- It can be shown that maximum and minimum normal stresses exist on two perpendicular planes. 它能被显示最大值和最小量常态压迫力在二个垂直的飞机上存在。
- The relation between the displacement of the turning edge in two perpendicular directions of turning plane and the positions of diffraction dark fringes can be determined and it can be used to calculate the small rotating angle. 通过导出转动棱边在转动平面内2个相互垂直方向上的位移与观察屏上衍射暗纹位置间的关系式,并利用它对转动棱边的转角进行计算。
- Follow the traditional evaluation method for the absolute testing of three optic flats, the result of the deviation can be evaluated by the deviation on two perpendicular diameters, its evaluation method is different from the true surface graph exactly. 摘要按传统三面互检法评价平面度偏差，结果只能由评价平晶在两条相互垂直的直径线上的测量数值得到，其评价方法与平晶的真实面形偏差存在差异。
- At the same time,the duality propositions of the angular bisector,two perpendicular lines,the length of the line segment,the distance between a point and a line in Euclidean geometry,were also established. 在欧氏几何中建立起了角平分线,两条直线垂直、线段长度、点到直线的距离的对偶命题。
- For usual medium, three parameter velocity analysis evaluates both the bin center stack velocity v without dip influence and the apparent interface dips at two perpendicular directions. 对一般介质来说,三参数速度分析就是求取各面元中心点处,消除了倾角影响的叠加速度v和互相垂直的两个方向上的界面视倾角。
- The two lines are perpendicular to one another. 这两条线相互垂直。
- the area enclosed by two perpendicular radii of a circle. 由九十度弧与两条垂直的半径围成的区域。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- The sound field of a vibrating cantilever rectangular plate and effect of a perpendicular crack on its spectra 悬臂方薄板振动的辐射声场及竖裂纹对其频谱的影响
- the 90 degree angle between two perpendicular lines. 两条正交线之间的度角。
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- The meat marinated in the brine for two days. 这块肉在盐水里泡了两天。
- At that time he had two helpers. 当时他有两个助手。
