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Based on finite element analysis software ANSYS,and according to the forms and characteristics of load on steel structure of tripper of stacker/reclaimer,topological optimization is made to the simplified steel structure of tripper,and optimum layout of auxiliary inclined arm is obtained,with the main body frame of steel structure of tripper determined.

基于有限元分析软件ANSYS，根据堆取料机尾车钢结构承载的形式与特点，对简化的尾车钢结构进行拓朴优化，得到了尾车钢结构在主体框架确定情况下辅助斜梁的最佳布置形式。

The microcomputer control bituminous mixture road with the performance test system is one kind of multi-purpose wheel load reflectoscope reflector, uses the labor controlling machine technology, the multichannel data acquisition technology, the sensor technology and the computer data processing technology development, in the vassal state originates.

微机控制沥青混合料路用性能试验系统是一种多功能轮载测试仪，采用工控机技术、多通道数据采集技术、传感器技术和计算机数据处理技术开发的，属国内首创。

With the 120 km/h mechanical cool plate refrigerator car as an example, through the structure optimization, sensitivity analysis and parameter optimization of the car-body steel structure, the analysis and calculation methods of lightening of the car-body load-carrying structure are provided.

以120km/h机械冷板冷藏车为例，通过对其车体钢结构进行结构优化、灵敏度分析和参数优化，提供了车体承载结构轻量化的分析计算方法。

At the same time, the motion and load is mathematically simulated and the result is visualized with the real-time graph. The OpenGL is also used to model the hull and waves, and the polygon and regular gridding method are discussed.

而后还利用OpenGL对船体和海浪进行了三维建模，讨论了多边形建模方法以及一致网格法，开发出船舶在海浪中的实时三维动画仿真系统。

With greater axial and radial load rating capacity, good replaceability of components.

轴承径向和轴向的承载能力都比较大，各配件可替换性强。

It is found that: the standard Model can be used to predict flows at the station and resultant velocity and temperature field under some reasonable presumptions; the impact brought by stopcock wind is variable according to the different tunnel structures; the temperature of is related with the distribution of heat load; the VAV system has advantage in energy saving, but when the air volume reduced to a certain degree, we should consider the alteration of rising the temperature of supply air, and increasing the quantity of it.

研究表明：采用合理的假设，标准的湍流模型能够较为准确地模拟和预测地铁站台的温度场与速度场；活塞风对站台的影响随区间形式的不同而不同；空调送风温度的设定与负荷的分布情况有密切的关系；针对站台空调季全天的负荷变化，VAV环控方案可以达到节能的目的，但在风量过小时，适当考虑采用提高送风温度，加大送风量的方法进行局部的调整。

The dynamic response distribution of the working equipment in the case of maximal load was analyzed, and the results were compared with those of rigid body modeling method.

分析了液压挖掘机工作装置在受力最大处的动态应力分布，并与传统刚性体模型的分析结果进行了比较。

In fact, M0 accounts for the additional external sources of friction, together with the "hydrodynamic" component of rolling friction, which also has a load dependent part.

实际上，M0代表额外的外部摩擦来源，再加上滚动摩擦中的"流体动力"成份，而这一成份中也有一部分与负荷相关。

Based on considering seven types of load combination,static performance of roof structure with steel tube truss of one gymnasium was analyzed.

通过考虑7种不同的荷载工况组合，对某体育馆的钢管桁架屋盖结构进行静力性能分析，从而得到了结构杆件的内力分布、支座反力及整体结构的变形情况。

The results showed that the failure mode of roof truss is flexual-torsional buckling of top chord members, which accords with the phenomena observed during test, the ultimate load-bearing capacity is also very close to test data.

结果表明，屋架结构的破坏模式为上弦杆的整体弯扭屈曲，与试验观测到的现象一致，极限承载力和试验结果非常接近。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。