查询词典 validity

The validity of Helsinki Card is 1, 2 or 3 days.

芬兰首都赫尔辛基卡片的有效性是 1， 2 或 3 天。

Finally, simulation and experiment results proved all the validity and reliability hereinbefore.

最后通过系统仿真和试验结果分析，验证了以上设计和计算的有效性和可靠性。

The acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regards to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results.

先将结构的声辐射功率表示为一个正定的厄米特二次型，运用广义特徵值分解求解了复杂结构的声辐射模态，然后利用声辐射模态关于阻抗矩阵与均方速度祸合矩阵的正交性，求解了复杂结构的声辐射效率，最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。

According to the studied results at present, the studied objects are mainly thin plate and beam about sound radiation mode, a method computed sound radiation mode of complex structure is presented in this dissertation, according to the results of the previous two chapter, a theoretical method to solve acoustical radiation mode and acoustical radiation efficiency of complex structure by boundary element method and acoustical radiation theory is posed, the acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regard to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results. According to results of the form three chapter, the structure sound radiation sensitivity is studied in detail, the sound radiation power of structure can be expressed as positive Hermitian quadratic form, the sound radiation sensitivity can be expressed as two parts by partial differential with respect to design variable, which are sensitivity of boundary velocity and impedance matrix, combined with the theory of FEM and BEM, the structure sound radiation can be translated to the analysis of structure dynamic sensitivity and impedance matrix sensitivity. The theory posted in this dissertation is tested by the FEM software ANSYS and the software AAS programmed by author.

在前几章的基础上，通过结构声辐射的模态理论对结构的声辐射的机理进行了深入地探讨，针对目前声辐射模态的研究对象主要是简单的板和梁类结构，提出了一种计算复杂结构声辐射模态的方法，利用前两章研究所得的结论，将边界元方法与广义特征值的理论结合起来研究了复杂结构的声辐射模态与声辐射效率，先将结构的声辐射功率表示为一个正定的厄米特二(来源：ABb7C论文0909网www.abclunwen.com)次型，运用广义特征值分解求解了复杂结构的声辐射模态，然后利用声辐射模态关于阻抗矩阵与均方速度耦合矩阵的正交性，求解了复杂结构的声辐射效率，最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。

At last, the the feasibility and validity of monitor and diagnose on-lines system of early hider faults is demonstrated in practical examples.

最后，本文以实例说明在线监测和故障诊断系统对早期潜伏性故障作出预诊判断的可行性和正确率。

The constraint classification and a hierarchical solving modeling are put forward in this paper, helpful for the validity and calculation of mechanical product layout.

本文结合机械产品布局设计问题，提出了有利于解决机械产品布局问题的有效和可计算的布局约束及其分类，建立了分层递阶求解模型和相应的解决策略。

In order to improve the validity and reliability of the model, the random state of weapon systems after accomplishing the mission at random time is regarded as a random process, and the computing model of the dependability matrix is established by using Kolmogorov backward and forward equations of the continuous time homogeneous Markov chain. The transfer probability is found by solving the matix differential eguation.

为了提高模型的有效性和可信度，将武器系统在执行任务后任意时刻处于某种状态看作是一个随机过程，应用连续时间齐次马尔可夫桩的柯尔莫哥洛夫向前和向后方程建立可信赖度矩阵计算模型，求解矩阵微分方程得到转移概率。

In dealing with these disputes, the most important is the homologation of the validity of a contract and the principle of management.

在处理建设工程施工合同纠纷中，最重要的莫过于合同效力的认定和处理原则。

In this thesis, in combination to the related law provisions and judicial explanation, the author discusses some issues about the homologation of the validity of the construction contract in construction project from practical perspectives.

在本文中，作者试图结合相关法律和司法解释，从实务角度探讨建设工程施工合同效力认定的若干问题。

Construction contract in construction project is a special contractor's agreement. The homologation of the validity of a contract should obey the provisions from the General Principles of Civil Law and the Contract Law. But the new situations, new problems arised from the process of construction market in our country should be considered to make the corresponding countermeasures, which should not break the principle of law.

建设工程施工合同是特殊形式的承揽合同，其效力认定首先应依据《民法通则》和《合同法》等基本法律关于合同效力的原则规定，同时可以结合我国建设市场发展过程中出现的新情况、新问题来制定相应的处理对策，但不应该违反法律的原则性规定。

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％。