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Based on thefundamental equations of motion of the theory of radial nonhomogeneousspherically isotropic elasticity,and,by introducing three displacementfunctions ψ,G and w,we get a simplifted system of the problem thatincludes an independent second order partial differential equation offunction ψ and a coupled partial differential equation set of functions Gand w.

针对沿径向为非均匀的且考虑温度和体积力影响的球面各向同性弹性体的振动问题，本文从三维基本运动方程出发，引入三个位移函数ψ，G和w，将问题简化为求解一个关于ψ的独立的二阶偏微分方程和一个关于G和w耦合的偏微分方程组。

By using the method of linear regress, the relation between the cosmic ray intensity of the OULU neutron monitor and the differential fluxes of space energetic proton and ion during quiet time has been studied. The differential spectrum of interplanetary particles with high energy is also calculated through the intensity of neutron at the ground level.

采用线性回归的方法研究了太阳活动平静时期空间高能质子和重离子微分通量与地面OULU宇宙线台站中子强度之间的相关性，利用地面中子强度数据来反演空间高能质子和重离子通量。

Objective:To study the methods of diagnosis and differential diagnosis of gynecologic acute abdomen.

目的：探讨妇科急腹症的诊断及鉴别诊断方法。

Up to now, the package can not be replaced by any other math tool in solving special differential equations, such as Abel equation in many application fields.

它是诸多应用领域内处理Abel型等特殊类型微分方程的十分有效的计算工具。

Two types of new Abel differential equation are structured by method of variation replacement, variation position transformation and compound function derivation law.

借助变量替换法、交换变量位置法及复合函数求导法则，构造出两类新的 Abel型微分方程，论证它们的可积性，提供可积的判据，从而推广有关文献的结论，扩大微分方程的可积范围。

It mainly studys the relations of upriver absolute pressure and flow, the relations of differential pressure and flow, the influence of testing pipe to the result.

主要研究了上游绝对压力与流量的关系，差压与流量的关系，声速流导和临界压力比与上游压力的关系，测试管对测试结果的影响等。

The 2051 provides a reliable differential, gage, and absolute pressure measurement with a variety of output protocols, materials and process connections.

在2051年提供了可靠的差别，规，并与输出协议，材料和工艺连接各种绝对压力测量。

Rosemount 1199 diaphragm seals can be attached to Rosemount 3051S, 3051, 2051, 3095, and 2088 differential, gage, and absolute pressure transmitters.

罗斯蒙特1199膜片密封，可贴在罗斯蒙特3051S，3051，2051，3095和2088差，应变，绝对压力变送器。

The Rosemount 2051 provides a reliable differential, gage, and absolute pressure measurement with a variety of output protocols, materials and process connections.

罗斯蒙特2051提供了可靠的差别，规，并与输出协议，材料和工艺连接各种绝对压力测量。

Versions are available for measuring absolute pressure (1.0 to 25 bar), relative pressure (0.5 to 5.0 bar) and differential pressure (0.5 to 5.0 bar).

现可供应用于测量绝对压力（1.0～25巴）、相对压力（0.5～5.0巴）和差压（0.5～5.0巴）的变送器版本。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。