But they won't be the level curves of a function for which this is the gradient.
但它们不一定是，某个以该向量场为梯度的函数的等值线。
To model the ground with the correct heights we used the level curves drawn in the reference drawing.
为了给地面模型设置合适的高度，我们使用从参考图提取的等位曲线。
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。
Actually, they have a vector field is still pointing perpendicular to the level curves that we have seen, just to remind you.
实际上，向量场，还是垂直于水平线，就像之前看到的那样，我只是想提醒一下大家。
If you look at the separations between consecutive colors, these are the level curves of a function that tells you the temperature at a given point.
如果你们观察在连续颜色之间的分色，那些就是一个函数的等高线，它们告诉你在某一个给定点的温度。
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。
Drug products that have similar AUCs but differently shaped plasma-level curves are equivalent in extent but differ in their absorption rate-time profiles.
一些AUC相同而血浆浓度曲线形状不同的药物，具有相同的吸收分量和不同的吸收速率-时间。
If the two level curves are tangent to each other that means they have the same tangent line. That means that the normal vectors should be parallel. Let me maybe draw a picture here.
如果两个等高线相切，说明它们的切线相同，也就是说他们的法向量应该平行，我再在这里画个图。
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。
Only a single melting or cooling peak was found in DSC curves for all blends, showing cocrystalline in patch-crystal level.
通过DSC上（熔融峰、结晶峰）呈现单峰确定了此共混体系在片晶水平上共晶；
This method was simple, convenient and easy to calculate, the level of submerged oil layer could be identified with the logging curves.
该方法简单方便，计算量小，根据测井曲线即可判别出油层水淹级别。
For the pixel-level generation of parametric curves, we find that the point densities chosen by the existing algorithms are not even along the curves.
对于其中的参数曲线的逐点生成，目前的算法在绘制曲线的过程中会出现所绘制点疏密不均的现象。
By selecting a specific intensity level, the corresponding probability (risk) can be found form these curves and then used in design.
通过选择一个特定的强度等级，提出相应的概率(风险)可以找到这些曲线形式，再用于设计。
Although curves of big arc lines are higher in rate of hit its level of difficulty in techniques is higher and it is not easy to command in a short time.
弧线大的曲线虽然全中率很高，但技术难度较大，短时间内不容易掌握。
The difficulties of computer algorithm of designed tide level are looking up and counting the relevant tables and drawing the frequency curves.
设计潮位的计算机算法，其难点是有关的表格查算和绘制频率曲线图。
Last night, Jeff's curves were of high level.
昨天晚上，杰夫的“曲球”打法有水平。
The curves that are stable under various distortions are extracted in Graph-cut Theory, which is fully using gray level, texture and spatial information of image.
曲线的提取以图分割理论为基础，结合了图像中灰度、纹理和空间的多种信息，得到在各种畸变下仍然能保持相对稳定的区域边界为待配准曲线。
The simulation curves and the effect of working in practice show that the swing of load wave during boring can be reduced to the lowest level and the system is in a stable and reliable situation.
仿真曲线及实际运行效果表明，切削载荷波动幅度降到了最低限度，系统运行稳定可靠。
The results show that using the method of GPS, through level accelerate flight and level decelerate flight, we can get the shock and position error curves fully.
结果表明，采用GPS法，通过平飞加、减速飞行，可以获得完整的气动激波修正量曲线。
The sea level change curves in varied epochs of the Devonian are given, which are essentially in accord with the global sea level change curves of Devonian shelf sedimentary environments.
该区泥盆纪不同时期的海平面变化曲线与全球泥盆纪陆棚沉积环境海平面变化曲线总体趋势基本一致。
Maiga:Although curves of big are lines are higher in rate of hit, its level of difficulty in techniques is higher and it is riot easy to com-mand in a short time.
麦加：弧线大的曲球虽然全中率很高，但技术难度较大，短时间内不容易掌握。
Maiga:Although curves of big are lines are higher in rate of hit, its level of difficulty in techniques is higher and it is riot easy to com-mand in a short time.
麦加：弧线大的曲球虽然全中率很高，但技术难度较大，短时间内不容易掌握。
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