第二个是自由软件定义的四个自由度。
他们明白在项目的早期他们拥有相当大程度的变更自由度，并且自然地假设这种自由度能够贯穿于项目的始终。
They see that they have considerable change freedom early in the project, and naturally assume that this will be acceptable throughout the life of the project.
转动能E是，它取决于有多少转动自由度,如果我有一个直线形的分子，只有两个转动自由度。
Or molecules. E rotational is, now it depends how many rotational degrees of freedom there are. If I've got a linear molecule, there are only two.
它适合于具有比我们人体多许多自由度的结构体；人体是围绕分段的骨架构成的，没多少自由度。
It's suited to a structure with many more degrees of freedom than our own body, which is constructed around a segmented skeletal structure with few degrees of freedom.
系统有，多个自由度时，每个自由度都是一类能量。
And see how when you have systems that have multiple degrees of freedom, where each degree of freedom has a different kind of energy.
本文采用“自由振动法”，设计了一个等效单自由度振动体系，对某核电站基岩的阻尼特性进行了实验研究。
The damping characteristics of the bedrock in a nuclear power station are studied experimentally by free vibration system with one degree of freedom.
其次，在深入研究五自由度机械手的运动学问题的基础上，用D-H法建立了五自由度机械手运动学模型并分析了机械手的关节速度与雅可比矩阵；
Secondly, based on the further research of the kinematics of five DOF manipulator, kinematics model is made with the method of D-H, joint velocity and Jacobian matrix are also carried out.
根据动力方程详细推导了多自由度体系等效为单自由度体系的等效方法以及能力谱和需求谱的理论计算公式。
Based on the dynamic equation, the equivalent method from MDOF to SDOF and equations of the capacity spectra and the demand spectra theories are deduced in detail.
婚姻生活的自由，使得妻子在家庭生活中获得了较高的自由度和地位。
Freedom in marriage made women able to obtain a greater freedom and higher status.
对所要研究的类人足球机器人进行机构分析，确定其自由度数、自由度分配方案及关节形式等。
The object of the humanoid soccer robot is orientated, the needed joint, DOF (degree of freedom) are ensured, and the structure is analysed.
因此，近年来一些少自由度并联机构成为新的研究热点，这种少自由度机构具有结构简单、造价低等特点，具有明显的市场潜力。
Therefore some less-degree-of-freedom parallel architecture which has advantages as simple mechanism and lower cost has been a new study field and has obvious market potential.
文中算例表明，在不增加自由度的前提下采用修正单元进行自由振动分析，结构的频率计算精度可以明显提高。
The numerical results in the paper show that the modified element is used to analyse the free vibration, and the accuracy of the structural frequency is greatly raised at no increasing the freedom.
提出了一种全新的多自由度人体振动台，既可以分别实现单自由度的振动，也可以实现组合振动。
A new multi-DOF human-body shaking table, which can actualize not only the vibration of one DOF respectively, but also their combined vibration, was set up.
对一个带库仑阻尼和非线性弹簧的单自由度系统的自由振动，用计算机求出了数值解；绘出了位移响应和相轨迹图；讨论了解的物理意义。
The author of this article talked about the free vibration of a no conservative single-degree-of-freedom system with nonliner damping and nonliner spring.
本文介绍了二自由度理论及用8097单片机实现了前馈型二自由度PID控制算法。
The two degree of freedom theory is introduced in the paper. Realize the forwardback two degree of freedom PID regulator by using 8097 single chip computer.
对平面二自由度五杆机构的位姿形式及位置逆解进行分析之后，提出了用二自由度辅助机构进行全铰链五杆轨迹机构综合的方法。
A method that USES two degrees of freedom (DOF) auxiliary mechanisms to path synthesize a five-bar mechanism was presented after analyzing the posts and inverted solutions of the five-bar mechanism.
论述了并联机床各分支杆的约束自由度对运动平台自由度的影响，提出了主动链和约束链的概念。
It is analyzed that the influences from limb kinematical constraints to degrees of freedom of moving platform in the design of parallel machine.
考虑到永磁轴承约束为弹性约束，永磁轴承约束的悬挂式单自由度陀螺罗盘实质为永磁轴承约束的悬挂式二自由度陀螺罗盘。
Because the restraint of PMB (permanent magnetic bearings) is the elastic restraint, suspended SDOF gyrocompass restrained by PMB, in fact, is not SDOF gyrocompass, but two DOFS gyrocompass.
结论上肢中28个自由度中，当合理地选择其中8 ~9个自由度时，即可恢复上肢的大部分功能。
Conclusion By properly choosing 8-9 among 28 freedoms of arm, an artificial limb can mainly restore the function of arm.
键图是振动系统建模的有效方法，它易于描述一维的单自由度和多自由度振动。
Bond graph is an effective method to represent one-dimensional single or multiple degrees of freedom (DOF) vibration system.
由冗余自由度手指构成的多指灵巧手具有较大的灵巧性，对物体进行微细操作以及抓取特殊形状物体的能力也比非冗余自由度手指构成的多指手要强。
The multi fingered robot hands constructed by redundant fingers are more dexterous and have bigger possibility to finish fine operation and to grasp objects with complicated shape.
研究表明仅有竖弯自由度或扭转自由度的平板不可能发生单自由度颤振。
Results showed that flutter instabilities would not occur for the ITP with only one degree-of-freedom.
根据对称性，在任意一个自由度方向将惯性稳定平台简化为单自由度系统。
According to symmetry, at arbitrary degree of freedom, inertial stabilization platform was simplified to one degree of freedom.
少自由度并联机构希望某些非期望输出运动为常量，因此在进行结构设计时需要应用螺旋理论分析所获得的并联机构能够实现的自由度组合类型。
Parallel mechanism of short degree of freedom hope that some unexpected export sport is constant. So we need use Spiral theory to analyse degree of freedom association type of parallel mechanism.
进行了联调试验，运动机构实现了空间多自由度的运动，突破了空间自由度的限制。
At last, experimentation is making, many-degree-freedom motion is realized in space, and this experimentation break up the confine of the degree-freedom.
常规机构的自由度是恒定的，但有些机构的自由度在工作过程中是变化的，这就是自由度可变机构。
The freedom degree of conventional mechanism is constant, a kind of special mechanism having variable freedom degree is discussed in this paper.
通过建立多自由度行星变速机构的构件相对转速图，提出了一种多自由度复合行星传动方案设计理论和方法。
The design theory and method of multi-freedom compound planetary transmission scheme were presented based on component relative rotational speed diagram.
利用试验数据修正航天器结构动力模型时，使用缩聚方法使有限元自由度与试验自由度匹配。
When the spacecraft structural dynamic model is updated using test data, the freedom of FEM can be matched with test freedom by means of reduction method.
利用试验数据修正航天器结构动力模型时，使用缩聚方法使有限元自由度与试验自由度匹配。
When the spacecraft structural dynamic model is updated using test data, the freedom of FEM can be matched with test freedom by means of reduction method.
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