查询词典 S curve

The basic concept in these sections is replacing backward Euler's method by modified backward Eulers's method to approximate the characteristic differential equation and discretizing the convection-diffusion equation at the middle point of the approximate characteristic curve, which will make the convective term get up to second order accuracy.

这三节的基本离散方法是用改进的Euler公式代替向后Euler公式来近似特征微分方程，并且将近似特征线的中点作为离散节点，使得对流项的离散精度提高到二阶，对于扩散项，将其转移到待求时间层进行离散。

This paper on basis of surface's local principle.Through discussing the Gauss mipping image of the surface's asymptotic curve and the camber between any two directions of surface and the developable surface to illustrate the impact on surface of Gauss mipping.

文章以局部曲面的基本理论为基础，通过对曲面的渐近曲线、曲面上任意两方向的夹角和可展曲面的高斯映射象的讨论来说明高斯映射对曲面的影响。

"HENG" metal bed series metal organization, is far away from the formaldehyde and so on deleterious substance; Selects breaker strip which the natural brown silk and the natural emulsion make, sending out unique delicate fragrance, the natural mold proofing is worm-preventing, security environmental protection advantageous health; The steel frame network structure alone stress dispersion function, causes the pad surface stress to be even, soft and hard moderate, the balanced brace asks somebody the body curve, the long time rest does not will feel backache backache, has had at the same time the spring mattress and the traditional plank bed's merit, has the auxiliary curative effect to the bursitis in shoulder, is advantageous in the child skeleton's normal growth.

"恒" 牌金属床系列金属机构，远离甲醛等有害物质；选用天然棕丝与天然乳胶制成的垫层，散发独特幽香，天然防霉防蛀，安全环保有利健康；钢架网状结构独具受力分散功能，使垫面受力均匀，软硬适中，均衡撑托人体曲线，长时间休息不会感到腰酸背痛，兼有了席梦思和传统木板床的优点，对肩周炎有辅助疗效，有利于儿童骨骼的正常发育。

The D700's default tone curve is already quite contrasty which results in 'punchier' out-of-camera JPGs but somehow disguises the sensor's true capabilities.

而D700缺省的调子曲线的对比度就相当大，结果导致直出JPG图反差剧烈，但是某种意义上却掩盖了传感器的真实能力。

As we known, the total curvature of a simple closed plane curve γ is ±2π, that is,∫γ kds =±2π, from Cauchy-Schwarz's inequality, one gets that We will use Minkowski's support function to study the stability of the above

我们将利用Minkowski支撑函数，在Hausdorff距离的意义下研究这一不等式的稳定性。

It's a learning curve each game and that's how we want to take every game.

这是一个我们在每场比赛中都想要使用的弧线球。

Its results are compared with drilling's results.Based on inclinometer's production curve,sliding surface and meachanism are concluded in a way,which provide important information for landslid's treatment.

根据测斜成果曲线，可以较好地对滑动面的分布情况、滑动机制作出某种程度的判断，为滑坡的治理设计提供重要的依据。

The new method is given to design the optimum profile modification curve design The effects of optimum profile gear in improving the dynamic performance of gear transmission are verified in the Gear Dynamic Performance Test Rig In this dissertation, the main study contents and creative results are shown as following: The influences on the gear transmission system caused by the gear's accumulated error (periodic error and harmonic error) are theoretically studied. A new method is developed to simulate the gear's harmonic error by using the 2-order MARKOV process A simulated model of the dynamic performance which is excited by the gear's accumulated error is obtained.

本文在前人大量研究的基础上，结合作者承担的国家自然科学基金项目"齿轮传动动态系统辨识与三维修形研究"和山东省自然科学基金项目"齿轮传动动态性能仿真及结构参数、齿形的优化修形"，采用理论和试验相结合的新思路，系统地研究了齿轮传动的动态性能，建立了能正确描述齿轮传动系统动态性能的仿真模型和系统辨识模型，给出了确定齿轮传动轮齿修形曲线的优化设计方法，利用自行研制的齿轮传动动态性能试验装置，验证了优化修形齿轮对提高齿轮传动动态性能的突出作用。

Vaulters A's center of gravity undulates with slower speed than vaulter B's in its Locus; besides, the curve of the locus also shows that vaolter A has larger undulation. The slowness in speed and great scale of undulation are the direct Proofs that affect the score of A pole vaulter, s performance.

经研究分析的结果得到以下结论：一、从重心轨迹的曲线图可以发现A选手的起伏比B选手来得大，这个速度慢、起伏大即是影响最后助跑的水平速度与起跳插穴动作的连贯性与凖确性。

On the basis of the former researches and taking into account the practice of our country, this paper take the low period repeat loading experiment for three rigid conjunction node of steel beam and concrete wall, researching their load-bearing capacity and earthquake resistance performance under the low period repeat loading action, the main content concentrate on the following aspects:(1) Analyzing the three joint's damage shape、hysteretic curve、change of rigidity、yielding load、limit load、damage load、durability、energy dissipation capacity、the strain of the key position and the moment transferring mechanism.(2) Comparing the joint's load-bearing capacity and earthquake resistance performance among the joints with different stud bolt diameter and different connection plate thickness, researching some factor's influence on the work performance of the joint such as the high and strong stud bolt specification、connection plate thickness .

本文在前人研究的基础上，结合我国的实际情况，对3个钢梁-混凝土墙刚接节点试件进行了低周反复荷载试验，对其在低周反复荷载作用下的承载力和抗震性能进行了研究，内容主要集中在以下几个方面：(1)对3个节点试件在低周反复荷载作用下的破坏形态、滞回曲线特性、刚度变化、屈服荷载、极限荷载、破坏荷载、延性性能、耗能能力、关键部位的应变分布情况及节点核心区的受力情况进行了试验研究和理论分析；(2)比较了不同螺栓规格和不同连接板厚度的节点试件的承载力和抗震性能，研究了高强螺栓规格和连接板厚度这2个因素对节点工作性能的影响；(3)介绍了光纤光栅传感技术在土木工程领域中的应用研究现状及其基本原理；并通过对比试验，探讨了光纤光栅传感器用于土木工程检测的可行性及实现途径。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。