查询词典 practice curve

Hence, defining the factors that influence curve progression to an absolute magnitude of more than 30 degrees at skeletal maturity would more significantly aid clinical practice.

因此，明确骨骼成熟时曲度进展至30°以上的影响因素对于临床实践更有辅助意义。

The curve deformation with constant arc length constraint discussed in section one is a frequently encounted problem in the practice of computer animation.

第一节提出的基于弧长不变的曲线变形是动画制作实践中常常遇到的问题。

In curve and surface modeling, Bernstein polynomial compositions are widely used for various geometric operations. So it is important to investigate them both in theory and practice.

在曲线曲面造型中，Bernstein多项式复合被广泛用于许多几何操作，因而具有重要的理论和实际意义。

ROUNDING THE CURVE \ 急速环行 Pierre Lueders piloted a bobsleigh during practice at the Whistler Sliding Centre in Whistler, British Columbia, Canada, Monday.

周一，皮埃尔·鲁德斯在加拿大英属哥伦比亚的惠斯勒滑雪中心进行训练，期间试驾了一辆有舵雪橇。

The design of laid-out curve of circular cone and cylinder intersecting curve is often used in practice.

圆锥或圆柱相贯线的展开曲线的设计是生产实际中常遇到的问题。

A kind of method adopting polynomial approaches to match the nonlinear curve of looper tension moment is put forward on the base of analyses of the curve characteristic and project practice.

通过对带钢张力矩计算理论公式的分析并结合工程实际，提出了一种采用多项式逼近来拟合活套张力矩非线性曲线的方法。

Motibity changed by gear-box in direction and rotate speed is transferred to the blade axis on the right side to drive the blade axis. blade axis'parameter, blade assembling frame and blade assembling means are ascertained. The load and movement of the blade axis are analyzed. And the best blade rotate speed is ascertained. According to the request of no-tillage soil, the appropriate furrow openers are chosen. They are staggered and assembled in two rows .According to the sliding cutting request, the crucial parts of the anti-blocking——the sliding cutting blade, its edge curve is analyzed and designed in principle. The academic curve function is gotten. Combined with working practice and technics request, the blade's figuration parameter is designed, 65Mn is chosen as the material for blades. The working load is analyzed. And the intension of the sliding cutting is analyzed and checked with ANSYS software. At last, the spring rack of the suppress wheal is analyzed in principle. The theory and parameter of designing the spring rack of the suppress wheal. Experiment indicated that the anti-blocking capability of this anti-blocking equipment was excellent.

设计出适合此防堵装置的动力传输方案，动力经变速箱变向变速后从右侧传给刀轴，驱使刀片切割秸秆；确定出了刀轴的参数、刀片的安装结构和安装方法，对刀轴的受力和运动进行了分析，确定出了刀轴最佳转速；根据免耕地的要求，选择恰当的开沟器，并采用双排错位安装的办法，避免了"瓶颈"现象的发生；根据滑切的要求对此防堵装置的关键部件——滑切刀片的刃口曲线进行了理论分析和设计，得到了刀刃的理论曲线方程；结合生产实践及工艺要求，设计出刀片的外形参数，选择65Mn作为刀片的材料；分析和计算了刀片在工作中承受的载荷，运用ANSYS 软件对滑切刀片的强度进行了分析校核；最后对镇压轮的弹簧支架结构进行了理论分析，提出了设计镇压轮弹簧支架的理论和参数依据。

First of all, the concept of S-N curve and the procedures of p-S-N curve fatigue test, data processing were introduced. And then, these procedures were taken into practice on 4 kinds of aluminum alloy welded joints: corner joint, butt joint, cruciform joints and double-sided lap joint.

文中首先介绍了S-N曲线的概念和p-S-N曲线疲劳试验方法和数据处理方法，并按照这些方法对角接、对接、十字接和双面搭接四种铝合金焊接接头试样进行了疲劳试验，得出了这四种焊接接头的中值S-N曲线和置信度为95%，存活率分别为90%、99%下的p-S-N曲线及其方程。

Dynamic interaction of wheel-rail is studied by using DSAS software when Blue-Arrow power car, trail car,"SS8" locomotive and passenger car with "209" bogies pass through a curve with severe rail oblique crack in Guang-Shen railway, respectively. Results of the above cases are compared and analyzed. Based on these results, effect of track structure parameter and train speed on dynamic interaction of wheel and rail in curve track is discussed, and a set of synthetic and effective technology measure which eliminates or releases rail oblique crack is put forward, The results can be expected to provide theoretic basis and guidance for engineering practice.

运用DSAS软件，研究了&蓝剑&动车组动车、拖车、&SS8&机车和209转向架客车通过广深线某钢轨斜裂纹重伤曲线的轮轨动态相互作用，并对几种车型的计算结果进行了比较和分析；在此基础上，讨论与分析了轨道结构参数及行车速度对曲线轨道的轮轨动态相互作用的影响，从而提出了一套综合有效的抑制或减轻钢轨斜裂纹的技术措施，以期为工程实际提供理论依据和指导。

In space optimization, the principle of equal-tiny increment is applied first.This classical method is used while the curve of the equal-tiny increment is raised.But in practice the curve of the equal-tiny increment is not always raised because of many uncertain factors.

在空间最优化问题的求解方法上，等微增率法提出较早，但用等微增率法要求微增率曲线是凸的，而实践中导致微增率曲线非凸的因素很多。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。