查询词典 validity

The reliability and validity of the evaluation indicators are good and the system has good stability and maneuverability.

评价指标体系的效度、信度较高，也具有较好的稳定性和可操作性。

At last, 3-DOF manipulator is used to verify the validity of the proposed method.

最后，采用3自由度机械臂验证了该方法的有效性。

Slotted manuduction has an exact effect on treating knee extension apparatus induced traumatic adhesion, which has higher validity and maneuverability.

开缝手法治疗伸膝装置创伤性粘连，疗效确切，方法安全，具有很强的可操作性和推广价值。

But, there are many deficiencies in the existing laws in relation to the validity of marine insurance contract.

但是在目前的海上保险实务与司法实践中，存在着诸多与合同效力有关的实际问题，影响到了双方当事人利益的平衡和海上保险业的健康发展。

It gives detail on the mathematical analysis of this network.The experimental results verify validity of the theory.

对该电路进行了详尽的数学分析，并通过实验证实了其理论的正确性。

In this article, to estimation approach of gene effect, we establish genetic model and develop an approach to estimate the polygenic effect and gene types, the validity of this approach is proved by mathematical induction and computer simulation.

针对上述两点，本研究分为两篇，上篇发展了一种估计控制数量性状的基因作用和类型的方法，并用数学推导的方法和计算机模拟的方法证明了所提方法的有效性。

In this paper,a new index for measuring validity of the maximum subordination principle is designed.

本文提出一种新的测量最大隶属原则有效度的指标，根据数值给出有效度等级的划分标准，结合中医实例说明利用有效度能够使模糊综合评判的方法更加完善。

In this paper, the theory, algorithm, and experiment of automatic object detection and tracking are studied in depth. It is firstly pointed out that the essential of Mean Shift method is a special Newton-Gaussian method. A new method named Fast Mean Shift is established to stretch the conservative step of Mean Shift method. The convergence and validity of this new method are proved in theory. And it is also proved that the convergence speed of Fast Mean Shift is faster than that of Mean Shift. The contrast experiments of searching the maximum possibility density of random of data sets in plane and 3D space are done. The results show that this new method can reduce the iterations greatly. A new object tracking method based on Fast Mean Shift is built to improve the object tracking performance, which is shown in the face tracking experiment with the tennis sequence provided by the Ohio State University, and the car tracking experiment with the car sequence provided by Kalsruhe University. The face trcking experiment with highly noised images show that the object tracking method based on Fast Mean Shift has strong anti-jamming ability. A new fast color object detection technology based on characteristic color is established, which use characteristic color distribution to compute the characteristic color vector of any area in an image quickly. With the high performance search method, the fast object detection is achieved. At last, using object tracker based on Fast Mean Shift and color object detector based on characteristic color with the Kalman filter, PID controller, searial communication and other technologies, automatic object detection and tracking system with control system is built. The availability and anti-jamming ability of this system are verified by some object detection and tracking tests in different scenes.

本文对目标自动识别与跟踪进行了理论、计算、试验三方面的深入研究，主要包括：首次指出了目标跟踪技术中常用的均值迁移方法的本质为一种特殊的高斯-牛顿方法，改进了均值迁移方法步长取值保守的弱点，建立了快速均值迁移方法，证明了该方法的收敛性、有效性以及收敛速度优于均值迁移方法；进行了平面和3维随机分布数据集的最大概率密度搜索对比试验，试验结果表明，快速均值迁移方法大大减少了迭代次数；建立了基于快速均值迁移的目标跟踪方法，利用俄亥俄州立大学提供的乒乓球序列图像和卡斯鲁厄大学的汽车序列图像，对人脸和汽车目标跟踪性能分别进行了对比试验，并进行了高噪声人脸图像目标跟踪试验，结果表明，基于快速均值迁移的目标跟踪方法有效提高了目标跟踪性能，具有很强的抗干扰能力；建立了一种新型彩色目标自动识别方法，采用特征色彩分布函数实现了对任意图像区域特征色彩矢量的快速计算，建立了高效的搜索方法，实现了彩色目标的快速识别；将基于快速均值迁移方法的目标跟踪方法、基于特征色彩的目标识别方法与卡尔曼滤波、PID控制、串行通讯等技术结合，建立了带有控制系统的快速目标自动识别与跟踪系统，并在不同场景下进行了目标自动识别与跟踪试验，验证了快速目标自动识别与跟踪系统的有效性和抗干扰能力。

To exam the validity of the Bloch-Grüneisen formula at megabar pressures, we use the electrical conductivity data point of ε-iron at relatively low pressure (～40GPa) reported by Keeler as a reference point, a formula for calculating the conductivity of the ε-iron under high-pressure and temperature was deduced via Bloch-Grüneisen,where v is specific volume , T is temperature and σ is electrical conductivity .

为了检验Bloch-Grüneisen公式在兆巴压力冲击压缩下的有效性，本文取Keeler在较低压力下ε相区的一个电导率数据作为参考点，得到了Bloch-Grüneisen公式关于ε-铁在高温高压下电导率的一个解析表达式：σ=〓，这里，比容v的单位是cm〓/g，温度T的单位是K，电导率σ的单位是Ω〓cm〓。

The only approach to improve the confidence level of a priori simulation results is to meliorate the validity of model and its parameters.

只有提高模型及其参数的有效性才能提高先验仿真结果的可信度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。