These aids would have been indispensable to very early people who would have found the process impossible without some form of mechanical aid.
远古人类会发现在缺少某种形式的机械辅助的情况下，这一过程是不可能实现的，这些辅助对他们来说不可或缺。
The tower’s main form was a twin helix which spiraled up to 400 m/1312ft in height, where visitors would be transported around with the aid of various mechanical devices.
这座塔的主要形式由一个双螺旋盘旋至400米/1312英尺高，参观者可借助多种机械设施传至螺旋体各处。
The tower's main form was a twin helix which spiraled up to 400 m/1312ft in height, where visitors would be transported around with the aid of various mechanical devices.
这座塔的主要形式由一个双螺旋盘旋至400米/1312英尺高，参观者可借助多种机械设施传至螺旋体各处。
Based on the character of high liquid limit soil improved by CON-AID stabilizing agent, the physical and mechanical properties and the strength change laws are studied.
针对高液限土的特点，采用掺入康耐土壤稳定剂，研究其物理力学性质和强度变化规律。
The sealing and mechanical performances were tested for this sheet selected by optimizing prescription in terms of the aid of orthogonal design.
通过正交试验优化材料设计，并对筛选配方制备的抄取板进行了力学性能和密封性能的研究。
Maleic anhydride is grafted on to the ABS with the aid of single screw extruder - the fluidity, thermal properties and mechanical behavior of modified ABS are also discussed.
介绍以单螺杆挤出机进行马来酸酐接枝改性abs，对接枝改性abs的流动性、热性能和力学性能进行了探讨。
The affecting mechanism of grinding aid during mechanical milling of ceramic powders was synthesized basing the point of mechanochemistry.
从机械力化学角度探讨了陶瓷粉体机械粉碎过程中助磨剂的助磨作用机理。
No mechanical devices are allowed to aid with climbing the rope.
攀爬时不允许使用其他设备。
It introduces the theory and practical results of installing tube optical cable by the aid of mechanical push power.
介绍用机械推力安装管道光缆的理论与实践结果。
Heart assist devices are mechanical pumps that aid in the pumping action of a weakened heart.
心脏辅助泵装置是针对心率弱的病人。
The method can be used in the graphics drawing and computer aid design of other mechanical products with c…
方法的细节略加变化，可用于其它几何形状复杂的机械产品的效果图绘制和计算机辅助设计。
Punctal occlusion is a mechanical treatment in which the tear drainage system is blocked in order to aid in the preservation of natural tears on the ocular surface.
封闭泪点是一种机械性治疗，可以阻塞泪液排除系统，使得原有的泪液能保留在眼球表面。
Influences of processing aid MC100 on the processing rheological property, mechanical property and chemicals resistance of PVC were studied.
研究了MC100加工助剂对聚氯乙烯加工流变行为、力学性能和耐化学品性能的影响。
Influences of processing aid MC100 on the processing rheological property, mechanical property and chemicals resistance of PVC were studied.
研究了MC100加工助剂对聚氯乙烯加工流变行为、力学性能和耐化学品性能的影响。
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