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Therefore, it has important theoretical significance and practical value that develop the investigation on the NC automatic programming for laser cutting.

因此，开展激光切割数控自动编程的研究，具有较大的理论意义与实际应用价值，同时对降低国外同类激光切割的数控自动编程的软件的价格有重要作用。

These results are of practical value in improving the efficiency of automatic testing.

该研究成果对提高自动测试的效率具有很好的实际意义。

Therefore, we can not meet the practical needs of automation.

因此，不能满足实用化自动控制的需要。

The fundamental problem of the geometry of matrices can be interpreted as a theorem on graph automorphism of the graph on a certain kind of matrices, and it also has practical application in the linear preserver problems which are the research area in matrix and operator theory.

矩阵几何的基本定理也可以叙述为图论中的图的自同构定理；并且它在矩阵和算子的保持问题中有很好的应用。

Compared with the other correlative models, the autoregression model appeared simple and practical.

与其他相关预测模型相比，自回归模型显得简便易行实用。

It can exploit thoroughly and enhance strength and autostability of rock or soil mass. It has been widely applied in the practical engineering of China because of their advantages, such as material conservation, safety, convenient in construction compared with other retaining methods.

加筋土技术是岩土工程领域的一个重要维护手段，采用合理的加筋锚固技术，能充分地发挥和提高土体的自身强度和自稳能力，较其它加固方式可以大量地节约工程材料，并有利于安全施工，在我国岩土工程领域中已得到广泛的应用。

Consideration of the structural characteristics of autotransformer, the principles and characteristics of zero-sequence differential protection are analyzed by taking PST1200 as an example, debugging method of zero-sequence differential protection is summed up briefly, the method can well verify the logical function correctness of zero-sequence differential protection, and it has been verified in practical application.

结合自耦变压器的结构特点，以南自PST1200变压器保护装置为例分析了零序差动的原理构成及特点，简要总结了零差保护的调试方法，能够较快且准确的校验零差保护逻辑功能的正确性，并已在实际工作中得到了很好的验证

Image interpretation expert system using both the spectrum information carried by RS imagery and the knowledge of experts or the auxiliary geographical data, is a effective way. But the difficulties in knowledge acquisition and the regional limitation of knowledge impede the practical use of this method.

在遥感光谱信息的基础上，加入地理辅助信息和专家的地学知识进行专题分类是提高精度的一个有效途径，但专家知识的获取和专家知识的区域性严重影响了方法的实用价值。

Based on the theoretical study of the operation of auxiliary impeller, the effects of the interdict resistance and the critical operation value are supplemented so as to make the calculation of auxiliary impeller more practical.

通过对副叶轮的工作过程进行理论研究，补充遮断阻力和运行临界值的影响，使副叶轮的计算方式更具实用价值。

The frequency response model of HAGC is estimated with correlative identification theory. The dynamical parameter model HAGC is estimated with LS, auxiliary variable LS, and bias-compensating LS respectively. It is proved with experiment that the methods proposed in the paper are accurate and practical.

5用相关辨识理论辨识了液压AGC压力闭环系统的频率特性，分别用普通最小二乘法、辅助变量法及偏差补偿算法辨识了该系统的动态参数模型，辨识结果验证了论文理论研究成果的正确性和可行性。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。