This is the level curve maybe f equals something.
这个就是f等于某个数字的等高线。
Do you mean how do I know that it is perpendicular to a level curve?
你想问的是，我如何知道它是和等高线垂直的吗？
So, the level curve corresponding to zero is actually two diagonal lines.
0的等高线实际上是两条对角线。
So, well, maybe we want to understand first what happens if we move inside the level curve, OK?
我们首先要理解,移动到等值曲线的内部会发生什么？
OK, and so we repeat the process with maybe z equals two, and we get another level curve, and so on.
我们对z=2重复这个过程，就得到另外的等高线，如此种种。
Their variations are consistent with the sedimentary facies and the sea level curve, showing a good response to the sedimentary environment.
在垂向上，碳、氧同位素的变化与沉积相演化和海平面曲线相吻合，说明它们与沉积环境的演化密切相关。
The British assumed that carrying in sea level would extend an imaginary line from the shore along Earth's curve to a point beneath the Himalaya.
英国人认为，如果提升海平面，会将假想的线从沿地球曲线的海岸延伸到喜马拉雅山下方的某个点。
Isoquant curve is a line showing all the alternative combinations of two factors that can produce a given level of output.
等产量线是表示两种生产要素的不同数量组合可以带来相等产量的一条曲线。
It would be tough to trigger an inversion of the government yield curve, with short rates at this level.
短期利率处于目前水平，同期比将很难引起国债收益率曲线反转。
Remember the curve of change is escalating faster and faster and it's empathy, teamwork, leadership and then the highest level leadership changemaking.
记住那个改变曲线上升越来越快,它代表着同情心，团队合作，然后,最高的处是机遇创造。
Arthur Laffer, inventor of the famous curve, reckons that one of the most important determinants of whether a state does well or badly is not just the overall level of taxes but their structure too.
提出著名曲线的亚瑟·拉菲认为，决定一个州是好是坏的重要因素不仅仅是总体税收水平而且还是税收结构。
But of course it's different, because, you know, when a curve goes like that, the level of skill that's required is very different.
当然，现在情况有些不一样，当曲线出现那样的走势时，所需的技能便很不一样了。
Many environmental problems get worse as a country first industrializes, but once it reaches a certain level of income, the trend often reverses, producing a curve shaped like an upside-down U.
当一个国家刚刚开始工业化进程的时候，许多环境问题会恶化，但是一旦这个国家达到一定的收入水平，环境恶化的趋势就会反转，从而得出了一个被称为“Kuznets曲线”的倒U字形的曲线。
Largely because of the nice API, AppConfig's level of complexity and learning curve are much lower than you might otherwise expect.
AppConfig的复杂程度和学习曲线之所以比您原来预期的要低很多，很大程度上是因为出色的API。
Spayd: First it happens at the team level, and teams go through their own change curve with it.
Spayd：首先是在团队层面发生转变，团队克服他们的转变曲线。
If you were to measure the higher levels of happiness that money achieves, the curve would simply level out.
如果你想测量金钱所能够达到的幸福水平，你会发现曲线仅仅是一条水平线。
Then, I can actually find a curve that goes in that direction, and stays on the level.
那么可以找到一条这个方向的曲线，而且这曲线位于等值面上。
Well, in fact, I could use any curve drawn on the level of w equals c So, I could move, really,any way I wanted on that surface.
事实上，可以使用等值面W=c上的任何曲线,可以以任何方式在等值面上移动。
w=c So, I have my level surface, w equals c I have a curve on that, and at some point I'm going to have a certain velocity.
画出等值面,上面有一条曲线,某点处，有某个速度。
According to the result, envelopes of load forecasting curve under certain confidence level can also be obtained.
基于该结果，还能求取某一置信水平下的预测负荷曲线的包络线。
This is the first research on the evaluation model of the level of urban greening characterized by frequency curve of green rate with the technique of aerial remote sensing and computers.
本文首次探讨并提出了应用航空遥感和计算机技术建立以绿化覆盖率频数曲线为特征的城市绿化水平评估模式。
Similarity of the basic curve figures is queried and measured at some resolution ratio level, in the meantime, the fractal dimension in local similarity is matched.
在某一分辨级水平上进行曲线形状的相似性查询和度量，同时，对于局部相似性的局部维数曲线进行匹配。
The results of two successive OGTT showed that taurine could decline the peak value of OGTT curve, while this action was not accompanied by elevation of insulin level.
连续两次的OGTT结果显示牛磺酸可降低OGTT曲线的峰值水平，此作用不伴有胰岛素水平的升高。
Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.
基于推求的洪水位频率曲线，将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。
For pouring cup iron level control system, three segment controls are adopted according to three mathematics model of the ideal liquid curve in pouring cup.
对于浇口杯液位实时控制系统，根据浇注过程中浇口杯理想液位曲线的三段数学模型采用分段控制的方法。
And it is also similar of stability of overturning and derailing between titling train negotiating curve and traveling on level track under the effect of not so big crosswind.
在侧向风速较小的情况下，列车过曲线时，空气对车辆倾覆稳定性和脱轨稳定性的影响与直线路上相似。
But here's the problem: If a developer sets the curve too low, the players who can play 12 hours a day will reach the maximum level within weeks.
这就是问题所在：如果开发者将曲线设计的太低，每天玩12小时的玩家一周内也许就能升到顶级了。
Baseline serum insulin level and area under insulin curve correlated to ambulatory systolic, diastolic and mean arterial pressure in hypertensive patients.
高血压病患者空腹血胰岛素浓度及胰岛素曲线下面积与动态的收缩压、舒张压、平均动脉压呈线性正相关。
This method can be used to calculate the transmissibility coefficient of well aquifer by means of the oscillation curve of well water level instead of the recovery curve.
该方法不是用井水位的恢复曲线，而是用井水位的振荡曲线计算出水井含水层的导水系数。
On the basis of problems existed in fit for relation curve of water level and discharge, the relation curve of water level and discharge is fitted directment by immunization evolving algorithm.
分析了传统水位流量关系曲线拟合过程中存在的问题，在此基础上应用免疫进化算法直接拟合水位流量关系曲线。
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