查询词典 newton

New factorized quasi-Newton equation not only uses the gradient information of the objection function ,but also uses the function information .

本文利用二次函数近似梯度的方法构造新分解拟牛顿方程，不仅利用到了目标函数的梯度信息，而且用到了目标函数值的信息，比传统的分解拟牛顿方程具有更高的二阶曲率逼近。

Above, from left: Perfect trousers spotted by our Milan street style correspondant Tamu McPherson/ All the Pretty Birds for a piece on Milan Fashion Week style ; Mr. Newton shot this bobbed beauty for our Paris Fashion Week style story.

– ＃以上，左起：完美裤发现我们的米兰街头风格的记者塔木麦克弗森/一项关于米兰时装周的风格一块漂亮的所有鸟类，牛顿先生拍摄的巴黎时装周的风格这剪短美丽的故事。

In the study, SD2000 spectrometer is applied to obtain radiation spectrum of flame within wavelength 480-1100nm, from which flame temperature and monochromatic emissivity are derived by Newton Raphson non-linear method and Levenberg-Marquart modeling method.

在该方法中，采用SD2000型光纤光谱仪测量火焰在可见光（480-1100nm）波长范围内的火焰的辐射光谱，结合Newton-Raphson非线性迭代算法和Levenberg-Marquardt最优化算法，得到火焰温度和单色辐射率变化规律。

In the study, SD2000 spectrometer is applied to obtain radiation spectrum of flame within wavelength 480-llOOnm, from which flame temperature and monochromatic emissivity are derived by Newton Raphson non-linear method and Levenberg-Marquart modeling method.

在该方法中，采用SD2000型光纤光谱仪测量火焰在可见光(480-1100nm)波长范围内的火焰的辐射光谱，结合Newton-Raphson非线性迭代算法和Levenberg-Marquardt最优化算法，得到火焰温度和单色辐射率变化规律。

A method to find the exact points of inlet and outlet of film-thickness of the EHL is introduced. A numerical solution of TEHL of the gear using Newton relaxation method and binary search method and the method to find the exact points of inlet and outlet is developed. By means of multiple regresion, a formula to calculate TEHL flash temprature of the gear is obtained.

推导给出了齿轮承载区内热弹流热流密度方程、无量纲参数团表示的热弹流方程和油膜入口点及出口点搜索确定方法，编制了由松弛因子牛顿法、对分法及油膜入口点和出口点搜索方法等组成的便于工程实际应用的齿轮承载区热弹流快速计算程序。

Einstein looked down and found that Newton was standing on a square floor board with one metre long and one metre wide.

牛顿：我脚下是一平方米的方块，我站在上面就是牛顿/平方米。

Einstein looked down and found that Newton was standing on a square floor board with one metre long and one metre wide.

爱因斯坦低头，看到牛顿站在一块长、宽都是一米的正方形地板砖上，大为不解。

You must know a lot of similar stories like this:The apple fell on the ground ,it caused Newton's thinking, then we knew the universal gravitation;The bird flew with wings so footloose,that caused the thingking of Brother Wright, then we had the mankind's "wings"-airplane;The final outcome of Franco-Prussian War caused Morgan's thinking, then this speculator's paradise in Wall Street became the United States' economy of central nervous system ……Once on the Internet ,someone sponsored an activity:Gave each paricipant a ordinary clip , then start from it to carry on trading things,we expected to know in the prescriptive time, what could the participants finally trade?

类似的故事你一定听过很多：苹果的落地引起了牛顿的思考，于是我们知道了万有引力；鸟儿的自由飞翔引起了莱特兄弟的思考，于是我们有了人类的&翅膀&--飞机；普法战争的结局引起了摩根的思考，于是华尔街这个投机者的乐园变成了美国经济的中枢神经……曾经有过这样一个活动：给每一位参加者一枚普通的回形针，由此开始进行换物，看看在规定的时间内，参赛者们最后能换到什么？

The modern school that hails technology ar gues that such masters as Galileo,Newton,Maxwell,Einstein,and inventors such as Edison attached gr eat importance to,and derived great benefit from,craft information and technological devices of different kinds that were usable in scientific experiments.

为技术而欢呼的现代学派争辩说，像伽利略，牛顿，麦克斯威尔，爱因斯坦这样的科学大师和像爱迪生这样的发明家十分重视科学实验中能使用的各种不同的工艺信息和技术装置并从中受益匪浅。

With the change of the initial vector of the Newton iteration algorithm, it is easy to find the assembly modes of the hexapods.

首次就迭代初始向量的不同选取，快速、准确地对并联机构运动学正解的多解进行了数值求解。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。