Then the kinematic analysis of a 3-RSR parallel manipulator is conducted in which closed-form solution for direct kinematic problem numerical solution for inverse kinematics to regular configuration and closed-form inverse kinematics solution to symmetric configuration of 3-RSR parallel manipulators are addressed .

接着，对3-RSR三自由度并联机器人的运动学进行了研究。给出了规则结构的3-RSR并联机器人封闭正解和数值逆解，以及 对称 结构的封闭逆解的求解方法；

This paper put forward P - Δ restoring force model which suitable for the study of the SRC column of symmetric configuration steel this model by stiffness degradation three line skeleton curve model and the hysteresis of rules .

本文提出了适合于研究 非 对称 配钢型钢混凝土柱的P-△恢复力模型，该模型由三折线骨架曲线模型、刚度退化规律以及基于试验现象的滞回规则组成。

In this paper the symmetric low cycle push-pull fatigue behavior and micro-structure change were studied to surface hardened 45 steel by nitrocarburizing . Cyclic behavior of different strain magnitude were analysed by means of dislocation configuration and its change .

研究了45钢氮-碳共渗处理前后的 对称拉压低周循环行为及微观组织变化，并从位错 组态及其变化情况对不同应变幅下的循环行为进行了分析和讨论。

The multi-particle Bose-Einstein correlations in high energy heavy ion collision are calculated and simulated the correlation function curves of different degrees of coherence are investigated in the case of symmetric configuration .

计算与模拟了高能重离子碰撞中部分相干源的多粒子玻色&爱因斯坦关联，研究了在 对称 位 形条件下，不同相干性程度的关联函数曲线。

The proposed restoring force model with linear simplified could basically better agreement with outsourcing skeleton curve this model for the SRC column of symmetric configuration steel has very good reference value in the elastoplastic response analysis .

所提出的恢复力模型用直线简化后基本上能与外包骨架曲线较好的吻合，该模型对于 非 对称 配钢的型钢混凝土柱在进行弹塑性反应分析时有很好的参考价值。

The big difference between the two is that the WS-Security symmetric encryption configuration uses a new secret key generated by the client for each request / response message pair .

这两者最大的不同是WS-Security 对称加密 配置使用了客户端为每一个请求/响应消息对生成的一个新的保密密钥。

The structural transformation of the symmetric icosahedron is strongly related to the initial configuration atomic number and atomic distribution and can be controlled by doping hetero atoms and changing their compositions and distributions .

匀称的20面体结构转变与团簇的初始 结构、原子数和组 元分布密切相关。而且，这种相变可以通过不同物性组元的添加、含量和原子分布的改变进行控制。