constant value line
英
美
- constant adj.不变的；经常的n.常数；恒量
- line n.线；界线；皱纹；路线；航线；行；台词；行业；绳子；家族v.排队；画线；加衬里
- value n.价值；价格；重要性；(pl)价值观；数值v.估价；重视；评价
- The outline is taken as that of the contour line defining its base.
轮廓由确定它的底部的等值线表示出来。
- No doubt you are familiar with geographical contour maps, which show lines of constant altitude.
无疑，你们熟悉地理上的等值线地图，它示出等高线。
