线段

• Draws the connected line segments to the screen
  将已连接的线段绘制到屏幕。
• In computer graphics , a directed line segment
  在计算机制图学中，一种有方向的线段。
• Appends a line segment to the current figure
  向当前图形追加一条线段。
• The line ab intersects the line cd at e
  线段ab和线段cd相交于e点。
• How long is the average length of the first and third lines
  第一、三两条线段平均长多少厘米？
• Appends a series of connected line segments to the end of this
  末尾追加一系列相互连接的线段。
• Either of two points marking the end of a line segment
  端点标记一条线段两端的两点中的任何一点
• How long is the average length of the first and second lines
  第一、二两条线段平均长多少厘米？
• A new algorithm of clippmg line segment
  关于线段裁剪的一种新算法
• That determines the color , width , and style of the line segments
  ，它确定线段的颜色、宽度和样式。