力学的

Due to imperfective technology management and construction negligence in consruction of concrete filled tube arch bridge, the inner of concrete have defects, hollow、 fluff、 construction joint, and objectionable bonding between concrete and steel tube etc., therefore influence the integrity and mechanical performance of components in different degree.

由于钢管混凝土拱桥在施工中往往因技术管理不善和施工疏忽，使混凝土材料内部存在空洞、疏松、施工缝，以及混凝土与钢管胶结不良等缺陷，从而不同程度地影响拱桥的整体性和力学性能。

Many composition of magic have applied the laws of physics, levers, inclined plane mechanics and so on.

许多魔术的构成，都运用了物理原理，杠杆，斜面等力学原理。

The numerical results reveal that the strength of composite increased with strain rate and inclining to a consist.

这一套模型、方法和程序为设计单向金属基复合材料提供了初步基础，为改进工艺提供了初步的力学依据。

Microstructure and mechanical properties of Be/Al weld were analyzed with nano indenter.

利用纳米力学探针对Be/Al焊接截面的组织与性能做了分析。

The nano-hardness and elastic modulus of the ceramic coating were determined using Nano Indenter XP system.

用纳米显微力学探针测定了陶瓷层的纳米硬度和弹性模量。

We know that light in inertial reference frame, and naturally to meet the speed of the sum theorem in classical mechanics (because so far we have not found exception to overthrow it is the inertial basis).

我们知道，光处在惯性系中，自然也就满足经典力学中速度相加定理（因为至今我们还没有找到推翻它是惯性系中特例的依据）。

We know that light in inertial reference frame, Naturally satisfy the sum theorem of classical mechanics in speed (since so far we have not found exception to overthrow it is inertial basis).

我们知道，光处在惯性系中，自然也就满足经典力学中速度相加定理（因为至今我们还没有找到推翻它是惯性系中特例的依据）。

He makes a contribution of inestimable importance in the field of dynamics .

他在力学领域作出了一项无可估量的贡献。

Moreover, initial stress condition has significant influence on the dynamic behavior of sand.

因此有必要对此种复杂应力条件下土的力学行为进行研究。

Effect of content of initiator on mechanical properties of the composites was studied.

最后分析了木纤维接枝改性处理时引发剂用量对复合材料力学性能的影响。

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。