curves

• He cut sharply across the curve of the trail and was gone .
  他对直穿过小路拐弯处，霎时就无影无踪了。
• There it raises its large curves still, eclipsing the hills .
  它依然拱起它那庞大的圆弧，遮挡了山峰。
• The mortality curve ascends gradually to a plateau at age 65 .
  死亡曲线逐渐上升，到65岁时成平稳状态。
• The welfare meaning of demand curves remains more controversial .
  对需求曲线的福利意义仍有较多的争论。
• Curves of constant specific impulse are traced inside the triangle .
  比冲为常数的曲线则画在三角形内部。
• The indifference curve may be compared with a contour line on a map .
  无差别曲线可以与地图上的等高线相比拟。
• Clebsch then brought this theory to bear on the theory of curves .
  Clebsch于是把这个理论用到曲线的理论上去。
• A secant is defined as line passing through two points of the curve .
  割线的定义是一条通过曲线上两点的直线。
• this potential curve crosses a potential curve α′.
  这条势能曲线和另一条势能曲线相交。