拐点
- Inflection point;point of inflection;knee point;point of inflexion;break point;contra flexure
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(1) [point of inflection]∶把曲线上向上凹的弧从向下凹的弧分开或者相反地分开的点
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(2) [contraflexure]∶见反挠曲点
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在拐点附近易产生疲劳点蚀和磨损。
Near the point of inflection , fatigue pitting or wear occurs easily .
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前面例题说明在每一层楼的高度内诸柱有一拐点。
The preceding example shows that the columns have a point of inflection within the height of each storey .
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有理B样条曲线拐点分析的面积坐标法
On Inflection Point of Rational B Spline Curve
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四阶n次B样条曲线的单调逼近性及奇拐点分析
Monotone approximation and analysis of inflexion and singular points of 4-N B-spline curves
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三次插值PH样条与F-曲线拐点和奇点的研究
Research on Planar Cubic PH Spline and the Inflection Points and Singularities on F-curve
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设置166XL进行慢的硬拐点压缩,相当低的THRESHOLD和一个适度的RATIO。
Set the166XL for slow Hard Knee compression , with a fairly low THRESHOLD and a moderate RATIO .
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在他看来,我们正处于SOA的拐点。
In his opinion , we are at a turning poing for SOA .
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对MR曲线的截距变化曲线进行类似于坐标旋转的校正,使对应信号初至的拐点成为曲线的极小值,有助于信号初至的自动检测。
In order to detect arrival time of signals automatically , the intercept curve was corrected using a method that similarly to coordinate rotation .
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我并没有意识到,这张用IBM打印出的小纸片儿将成为我人生的拐点。
Unbeknownst to me at the time , that little IBM print-out was a turning point in my life .
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囿于控制多边形的NURBS拐点分析与控制
Analysis and Control of Inflection Points on NURBS Curves via Control-polygon
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由细胞伤害率的测定资料配以Logistic方程求出拐点温度,即为各草种的临界温度值。
Cell damage rate data combined with Logistic equation the inflection point was calculated as the critical temperatures .
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运用K均值法,并结合基于拐点的图像优化方法,解决了区分炭黑和橡胶的问题。
Combining the method based on inflection point , k-means algorithm solved the problem of distinguish carton black and rubber . 2 .
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人均GDP达到2万元是库兹涅茨曲线拐点出现的一个比较恰当的位置。
The paper also finds that the appropriate Kuznets curve inflection point is20000 RMB in terms of GDP per capita .
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希尔认为,目前英国银行业处于拐点,Metro是方向所在。
British banking , says hill , is at an inflection point , and metro is pointing the way .
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从k频谱中发现在离子回旋尺度附近有明显的拐点,在惯性区和耗散区之间存在一个转换区。
There is a clear breakpoint around ion gyroradius scale in the k spectra . A transition range is between the inertial and dissipation range .
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参数q与林分平方平均直径紧密相关,为分布的位置参数,指代林分分布数据的平均大小;参数r决定分布曲线的拐点,为分布的形状参数。
The location parameter q was highly correlated with quadratic mean DBH and the shape parameter r indicated the inflection point of the distribution .
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所以现在我将要用这个random函数,我之前导入过了,给你们演示一下怎样绘制,简单拐点图以外的图。
So now I 'm going to use that random , which I brought in before , and show you that we can plot things other than simply curves .
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关于RLC串联谐振曲线拐点分布规律的讨论
A discussion on positions of inflection point in RLC series resonance curve
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系统中采用GPS技术进行同步采集,并利用小波分析技术捕捉压力波的拐点,提高了泄漏检测灵敏度和定位精度。
The system adopted GPS synchronizing technique and wavelet transform for getting the featured inflection point of pressure wave , which improve detection sensitivity and location precision .
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该曲线偶可灵活处理拐点,从而克服了一般三次PH曲线因恒凸而无法处理拐点的缺陷。
This propety overcomes the weakness of common cubic PH curves for being unable to dealing with connection points , because common cubic PH curves are constantly convex .
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本文推导了用三点法估计该模型中参数K值的公式,并提出了估计K值的新方法一四点法和拐点法。
In this paper , the other two new methods estimating K value of the Logistic curve equation , 4-point method and yielding point method were put forward .
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CAGD中可控曲线及其奇拐点分析
Analysis of singular point and inflection point on controlled curve in CAGD
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对于宗地周界无明显地貌或固定地物的情况,经常需要依据手持GPS采集宗地拐点坐标进行宗地界线的确定。
As for the area without obvious geographical character and fixed features , it is quite often to determine regional boundaries according to the collected turning coordinates from handheld GPS .
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一个国家到达“刘易斯拐点”(LewisianTurningPoint)后,经济增长通常会减速。这个拐点是以诺贝尔奖得主阿瑟•刘易斯爵士(SirArthurLewis)的名字命名的。
Named for the Nobel Prize-winner Sir Arthur Lewis , countries that hit this Lewis Turning Point usually see economic growth fall .
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在拐点深度之下,CO2含量呈线形上升,δ13C值趋于定值;
Under the point , the CO 2 contents linearly increase , and the δ 13 C is almost a fixed value .
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我们发现Tf存在一个拐点,在此拐点上样品的结晶度和化学计量比的状态都达到最佳值。
A turning point of Tf was found that at this point the crystallinity and stoichiometry natures were the best .
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在现有的国际环境和气候变化条件下,中国以现有的经济发展速度不可能单纯保持GDP增长速度被动等待拐点的到来。
Therefore , according to the current international environment and climate change rate , China could not waiting for the natural arrival of the inflection point depending on the GDP growth rate .
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对规则矩快速算法了进行了综述,包括图像变换、Delta方法、拐点方法、Green定理法和图像块表示法。
This correspondence firstly gives comprehensive study to fast algorithms for geometric moments , including image transform , Delta method , computation via corner points , method based on Green ′ s theorem and image block representation .
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应用Bézier曲线的几何性质和离散分割算法,提出了一种新的三次Bézier曲线的降阶逼近算法一自适应拐点法。
Based on the geometrical properties of B é zier curves and subdivision algorithm , a new algorithm , adaptive inflection method , for order reduction of B é zier curves is presented .
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乔木更新层与灌木层的异质性规律发生显著变化(拐点)的尺度不同,分别为40m和90~100m。
The strong changing scales ( inflection points ) of tree regeneration layer and shrub layer were 40m and 90 ~ 100m respectively .