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Based on the closed time path formalism, a deduced Feynman rule for directly calculating the retarded and advanced Green functions is given.

在闭合时间路径温度场论基础上，导出了直接计算推迟和超前格林函数的一种费曼规则。

The result showed that uses the PSO calculating method to be possible to restrain fast to the close closed region best solution position.

结果显示使用PSO演算法可以快速地收敛至接近全域最佳解的位置。

In condition of obtaining two parameters of antenna brightness temperature at sea-water area and the oil film area with single microwave radiometer (8mm) of fix antenna, the model of calculating the oil film thickness of s outh China sea with airborne remote sensing was developed. The measured results over sea were closed with calculated values of the model.

提出了在单波段(8mm)固定天线微波辐射计获取海水区与油膜区天线亮温两参数条件下的航空遥感南海海面油膜厚度计算模式，海上航空遥感测量实验与模式计算结果基本符合。

Based on the covering-domain method, an expression for calculating the interior scattering sound field of an arbitrary-shaped closed thin shell in which there are some scatterers is given theoretically.

应用覆盖域方法从理论上研究了复杂形状封闭薄壳内部存在散射体时的内部散射声场。

Based on the covering-domain method, an expression for calculating the interior scattering sound field of an arbitrary-shaped closed thin shell in which there are some scatterers.

复杂形状；散射声场；散射体；封闭薄球壳；基于覆盖域的思想和方法，本文给出了复杂形状封闭薄壳在内部存在散射体时的内部散射声场计算表达式。

It consists of three components: the parameters estimating on-line; the calculating of closed-loop critical gain K and frequency ω; evaluating the PID parameters to enable the closed-loop syetem with the given phase margin.

该算法有三部分组成：在线参数估计；计算系统在比例控制下的闭环临界振荡频率ω和临界增益K；确定PID控制器参数使闭环系统具有给定的相位裕量。

Depending on practice in the work of regulating calculation of chaohu lake water storage,this paper gives the introduction of method of calculating the no closedown lake design low water controled by the man.

本文结合巢湖水量平衡调节计算的工作实践，介绍了受人工控制影响的不闭塞湖泊设计枯水计算方法。

Further more,this paper also deduces a linear model about the relationship of stop line position and critical radius,calculating parameter of clothoid easier.

进一步，建立了停车线位置与临界半径函数关系线性模型，使回旋线参数计算更为简单。

This procedure has been confirmed feasible and accurate by examples, then analyses and calculates the homogeneous and unhomogeneous earth rock-fill dam, isotropic and anisotropic earth rock-fill dam, Yanji earth rock-fill dam with clunch core. The results by ANSYS is compared with the results by other seepage soft, which is quite similar and prove ANSYS practicability for calculating seepage field.

通过算例验证了该程序的可行性和正确性，接着对均质和非均质，各向同性和各向异性的土石坝以及烟集粘土心墙土石坝进行分析计算，并和其它渗流软件相互比较，结果较为相近，证明了ANSYS计算渗流场的实用性。

A set of software for calculating the coda Q value was introduced in this paper. The method was comparatively complete and normal standard.

本文介绍了一套方法上较完备和相对规范化的尾波Q值计算软件。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。