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- polygonal vortex line 折涡线
- When the vortex line is not positioned at the centric Iine of water tunnel, it is found through numerical calculation that this vortex line will move along a trace of approximate spiral in the cross section plane. 当涡线不位于水筒中心线上时,数值计算表明,涡线在水筒截面平面上将沿近似螺旋线的轨迹运动。
- The wake geometry is obtained through iteration by satisfying the condition that free vortex lines are consistent with the local streamlines. 尾涡面上的自由线涡方向应与当地流线方向一致,通过迭代满足这一非线性边界条件的确定尾涡的形状。
- On the basis of experiments the axial vortex in pump system is analyzed and calculated, the vortex line formulas of planar, cylindrical and axial vortexes are given, and their vortex lines aregraphed. 在试验研究的基础上，对泵系统轴向涡流进行了分析计算，给出了平面涡流、柱面涡流和轴向涡流的涡线计算公式，并绘出了它们的涡线。
- A polygon whose angles are equal. 等角多边形各角都相等的多边形
- Typical primitives are rectangle,line,polygon,etc. 典型的单元是长方块、线段、多边形等。
- A polygon with ten angles and ten sides. 十边形有十个角和十条边的多边形
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- Enter the first line of the polygon vertices. 第一行输入多边形的顶点数。
- The printers have missed out a whole line here. 排版工人在这里漏掉了一整行。
- Participation in tender is in our line of business. 参加投标属于我们的业务范围。
- A long line of car is unable to pass that road hog. 一长串的车子无法超越那个挡道的汽车驾驶。
- The sale office is on line to the warehouse. 营业部与仓库的计算机联网。
- How do you get start in that line of work? 你是怎么开始干那一行的？
- I do not want to be in the boss line of fire today. 今天我不想遭到老板的非难。
- Place your right toe in line with your left heel. 把右脚趾与左脚跟排在一直线上。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- A polygon having five sides and five interior angles. 五边形有五条边和五个内角的多边形
- My fishing line got entangled in some weeds. 我的钓鱼线同杂草纠缠在一起。
