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- Road plane curve parallel 道路平曲线平行线
- A planar mechanism is one in which all particles describe plane curves in space and all these curves lie in parallel plances; i.e. the loci of all points are plane curves parallel to a single common plane. 在平面机构中,所有的点在空间描出的是平面曲线,并且所有这些曲线都在平行平面上,也就是说,所有点的轨迹都是与一个单一公共平面相平行的平面曲线。
- Draw Up and Application of a Computer Program for Roads'Plane Curve Coordinates 道路平曲线坐标计算程序的编制与应用
- i, e.The loci of all points are plane curves parallel to single common plane. 也就是说，所有的点的轨迹都是平行于单一公共平面的平面曲线。
- Please tell me what the plane curve means. 请告诉我这条平面曲线是什么意思。
- He then treated the evolute of a plane curve. 然后他讨论了平面曲线的渐屈线。
- A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone. 抛物线一个直立圆锥和平行于该锥体中轴的平面相交形成的平面曲线
- A plane curve formed by the locus of points equidistant from a fixed line and a fixed point not on the line. 抛物线到一固定直线和不在直线上某一固定点等距的点的轨迹所形成的平面曲线
- Something,such as a ring,shaped like such a plane curve. 圆形物，环状物形状类似于圆的东西，如戒指
- Symmetry of plane curve is important to function research. 平面曲线的对称性对于函数研究具有重要意义。
- Something, such as a ring, shaped like such a plane curve. 圆形物，环状物形状类似于圆的东西，如戒指
- The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix. 柱面一条直线与一个封闭的平面曲线相交及沿着平面曲线移动所形成的平面，准线则与一个不在此准线平面上或者不与此准线平面平行的固定直线保持平行
- A plane curve everywhere equidistant from a given fixed point,the center. 圆，圆形从定点(圆心)等距离到任一点的平面曲线
- A plane curve everywhere equidistant from a given fixed point, the center. 圆，圆形从定点（圆心）等距离到任一点的平面曲线
- The railway lines run parallel to the road. 铁路线和那条道路平行。
- A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve. 正交一条垂直线，尤指一条相对一条平面曲线的切线垂直线或一条相对一条空间曲线的平面切线垂直线
- Mainfactors are as follows: standard solution、 regressive curve、 parallel experiment of sample、 diacetyl monxime's reagent colorimetic method、 spectrophotometer、 sampling , etc . 影响测定结果的分量主要有:标准溶液、回归曲线、样品平行试验、二乙酰一肟分光光度法、分光光度计、取样等。
- The road runs parallel with the railway. 该公路与铁路平行。
- A plane curve formed by the locusof points equidistant from a fixed line and a fixed point not on the line. 抛物线到一固定直线和不在直线上某一固定点等距的点的轨迹所形成的平面曲线。
- A perpendicular,especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve. 正交一条垂直线，尤指一条相对一条平面曲线的切线垂直线或一条相对一条空间曲线的平面切线垂直线
