OK, so that's where we use, actually, the labels on the level curves that tell us whether things are going up or down.
这就是用标记在等高线的地方，这些标记将告诉我们，到底是在上升还是下降。
So, a topographic map, this one from the US geological survey shows you, basically, all the level curves of an altitude function on a piece of land.
这是一幅由美国地形勘测出来的地形图，基本上，所有海拔等高线在一块陆地上。
The Canvas API is a low level API for drawing. It lets you create lines, curves, polygons, and circles and fill them in with colors, gradients, and so on.
CanvasAPI是一个低级画图api，它支持创建直线、曲线、多边形和圆圈，并用彩色、渐变色等填充它们。
The curves evolving method based on narrow band level set is studied and applied in segmentation of cardiac MRI in this paper.
文章研究了基于窄带水平集的曲线演化方法并应用于心脏的MRI图像分割。
The weal-correlation between acceleration corrosion factor and stress level, load spectrum and crack size is gained base on the generality of C—T curves.
并从C—T曲线的通用性出发，说明加速腐蚀因子与应力水平、载荷谱以及裂纹尺寸无关。
The weal-correlation between acceleration corrosion factor and stress level, load spectrum and crack size is gained base on the generality of C—T curves.
并从C—T曲线的通用性出发，说明加速腐蚀因子与应力水平、载荷谱以及裂纹尺寸无关。
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