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重心

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From the perspective of covering points in high-dimensional space, we discussed the theory of constrictive PONN based on knowledge rules. PONN's general constructive algorithm and its two special methods based on random sampling and barycenter rules respectively were proposed in this paper.

从高维空间样本点覆盖的角度,讨论了基于知识规则的构造性优先排序神经网络算法的原理,提出了网络构造过程的一般算法以及基于随机取样规则和重心点规则的两个实例算法。

During the development and transition of China, Chinese culture center has moved from the north to the south.

在中国社会的发展过程中,曾经发生文化重心由北向南的迁移。

You've cut away the heart of my life....

你已夺去了我生命的重心。。。。

Chinese players were better in both the time and rhythm control during gravity declination.

我国选手在重心下降阶段的时间和节奏控制上都处理得较好。

In this paper expounds the platform deformity under different working situations and its influence on gravity center measuring.

本文详细阐述了平台变形的各种情况及其对重心测试的影响。

The use of footscan balance test system of national high-level pistol, rifle shooters had a balance of stability tests, by analyzing the following major conclusions: First, all the athletes in men's pistol shooting athletes body posture and adjusting the balance of stability the capacity of the worst; the second, firing only state body sway eyes open area and before and after the shaking smaller decrease; and thirdly, the general balance of the stability of indicators (both before and after the body center of gravity, around shaking rate, trajectory length, shaking the area) can not accurately reflect the high level of shooting athletes balance the characteristics of stability, and derived indicators - per unit area of the track length (the total length of track and shaking the area ratio), both show the balance of stability, but also reflect the attitude adjustment ability, in the sway area certain circumstances, the greater its value, indicating that ability to regulate the more intense the frequency of shaking sooner, the better the stability of physical balance, in the actual shooting of firearms at the time of the impact of the smaller, can be used as shooting athletes evaluation and selection of indicators.

运用footscan balance测试系统对国家高水平手枪、步枪射击运动员进行了平衡稳定性的测试,通过分析得出以下主要结论:第一,所有射击运动员中男子手枪运动员身体姿态的平衡稳定性及调节能力最差;第二,射击训练只能使睁眼状态下身体晃动面积和前后晃动幅度减小;第三,一般平衡稳定性指标(身体重心前后、左右晃动幅度、轨迹长度、晃动面积)不能准确地反映高水平射击运动员平衡稳定性的特点,而派生指标——单位面积的轨迹长度(轨迹总长度与晃动面积的比值),既显示平衡稳定性,又能体现姿态调节能力,在晃动面积一定的情况下,其值越大,表明调节能力越强,晃动的频率越快,身体平衡稳定性越好,在实射时对枪支的影响越小,可作为射击运动员的评价和选材指标。

Once in this trend,family relationship in early mo dern England was featured by historians in terms of"loose"and"shallowness ".

20世纪下半叶以来,西方家庭史研究的重心经历了从家庭结构到家庭关系的转变,并一度形成了近代早期家庭亲属关系的"松散"说和"淡漠"说。

A minor emotional disequilibrium or feeling of being off-center is apt to disrupt your day.

一个小的情绪波动或失去重心的感觉扰乱了你的这一天。

During the distributive hw system,civil law is the foundation.while economic law is the center on account of China's pecial situation and current social contradiction focus.

民商法是基础,我国特殊国情和当前社会矛盾焦点决定了经济法是分配法制系统的重心

As the two tracks are not parallel, and have a certain angle, the rolling object is in the shape of a double cone. People see the cone moving upwards; this is because as the gaps between fulcrums gradually widen, the center of gravity declines.

由于两轨道不平行,有一定夹角,滚动体成双锥形状,所以表面上看锥体由低处向高处运动,实际上由于支点逐渐向两边拉开,重心在不断的下降。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。