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- tangent to periphery 圆周切线
- They changed their course to something like a tangent to the earth. 他们将航线改变为差不多与地球呈正切的方向。
- Draw two tangents to the two branches of the curve. 画出该曲线两个分支的两条切线。
- Given a triangle, construct the deltoid tangent to its sides. 给定三角形，作三角线与其三边相切。
- The slope of a line tangent to the curve at the point is the marginal function. 需求曲线在这一点上切线的斜率也就是该点的临界函数。
- The word horizontal is applied only to the plane which is tangent to the ground-level equipotential surface. 地平面这个词则只表示与地面水准等位面相切的平面。
- Using the routine conecntrating waterflood technology to periphery low permeability oilfield needs bygger investment. 外围低渗透油田分布零散、产量低、注水压力高,采用常规集中注水工艺,水系统投资较大。
- The average ADC, relative ADC (rADC) and the ADC from center to periphery of the lesion were calculated. 测定各期病灶平均表观扩散系数值、相对表观扩散系数值及中心-边缘表观扩散系数值。
- 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
- A curve or surface that is tangent to every one of a family of curves or surfaces. 包络线，包络面一条曲线或一个曲面，与一组曲线或曲面中的每一曲线或曲面保持正切
- The rADC in hyperacute and acute stage of focus center was minimized, and increased progressively from center to periphery with gradient sign. 超急性、急性期病灶中心相对表观扩散系数最低,从中心往外逐渐升高呈梯度征。
- In this paper, an algorithm for constructing rational spline curve, which was tangent to the given polygon, was described. 摘要描述了一种与给定多边形相切的有理样条曲线的算法。
- It is elaborated the relation between CT's commonly seen hitches and regular maintenance, and problems due to periphery assistant devices cannot be ignored. 阐述了CT常见故障的发生率与定期维护保养的力度的关系,其中外围辅助设备因素导致主机故障不可忽视。
- 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
- In today's feminine literatures, this traditional concept has been challenged, and males gradually retrogress from center to periphery in women's world. 在新时期女性主义文学中，这种传统观念遭到挑战，男性逐渐从女性世界的中心地位移居边缘。
- Tangential Orientated at a tangent to a circle, the circle being, for example, the surface of a plant stem. 切向的：沿圆周的一个切线方向。植物体存在的圆形可以为茎杆表面。
- How much do all these figures stack up to? 这些数字的总和是多少？
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- Pulmonary diffuse exudation, intrapulmonary air containing space, spread from lower lobar to super lobar, from hilar to periphery may be demonstrated as PCP. 出现大片实变，肺气囊，病变由下肺向上蔓延，由肺门为中心向外扩展，则诊断为PCP。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
