力学的

Broom manufacturing is no problem, and poor body mechanics in the absence of design in accordance with them uncomfortable.

扫把的制造没问题，差在没有根据人体力学原理来设计，用起来不舒服。

Combined with mechanical experiment ultrasonic wave testing is performed to investigate the quality and weathering status of rock specimens obtained in double borings situated in cliff of Grand Buddha of Jinyang in Taiyuan.

运用声波测试方法，结合物理力学试验，研究太原晋阳西山大佛陡崖岩体2个水平钻孔中岩石的质量和风化情况。

A weak form equation containing boundary parameters was given for elastic problems in three-dimension.

本文从弹性力学平衡方程更为一般的弱形式出发，给出了含边界参数的弱形式方程。

On the other hand, the Immersed Boundary method is also known to have some limitations to limit its application.

在很多领域尤其是生物力学领域有着广泛的应用。

We also have investigated applications of the symmetry method in the boundary value problem of the mechanics equations.

其次我们探讨了对称方法在力学方程边值问题中的应用。

Based on the framework of critical state soil mechanics,a new bounding surface constitutive model for sand, being applicable to cyclic loading, is proposed.

基于临界状态土力学框架，建立了一个适用于往返循环荷载作用的砂土边界面本构模型。

The graphite-reinforced BPI composite laminateswere made by autoclave techniques with the optimal cure processes and its properties were tested.

研究了碳纤维/BPI结构复合材料的耐热性、力学性能以及热物理性能。

At present, it is preliminary to understand the mechanical properties of three-dimensional braided composites. There are many problems which need to be solved.

目前，对三维编织复合材料力学性能的研究还处于初步阶段，还有许多问题需要进一步研究。

Braiding angle is the most important parameter to impact on mechanical properties of 3D braided composites.

编织角是影响三维编织复合材料力学性能的最重要因素。

Due to complexities of the meso-structure of the braided composites, there are many difficulties in the experiment technology.

本文最后讨论了编织复合材料力学性能的实验研究方法，并对理论分析结果进行了验证。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。