DRS：减阻系统

为了在书写和使用时更加便捷，“Drag Reduction System”（减阻系统）通常缩写为DRS。这一术语广泛应用于综合技术领域，尤其在航空航天行业中出现频率较高。该系统的主要功能是通过优化气流或减少飞行器、车辆表面的阻力，从而达到提升整体性能的效果。

Supercavitation technology makes great achievements in drag reduction but also poses technical challenges in system stability and control.
然而，超空泡技术在水下航行体减阻方面取得巨大成果的同时，也给超空泡航行体的稳定与控制带来严峻的挑战。
The relationship between efficiency of drag reduction and factors was given by quadrature experiment of alpha olefin polymerization whose catalyst system was C-E.
通过以C为助催化剂，E为主催化剂的α-烯烃聚合正交实验，初步得出各反应因素与聚合物减阻率之间的关系；
In addition, this disturbance technique can reduce the drag of the disk, and the maximum drag reduction is up to 9 % of that of the isolate disk. The corresponding drag of the cylinder-disk system can be reduced by about 4 %.
此外，利用这种干扰方法，可以降低圆盘阻力，实验得到圆盘阻力可减少约9%，相应的圆柱/圆盘系统的阻力可减小4%。
A class of oil-soluble drag reduction polyolefin with long side chains was synthesized with light oil as solvent, TiCl_4 / Al ( Et ) _2Cl as catalyst system and C_ ( 10 )~ C_ ( 14 )α - olefins as monomers by solvent polymerization.
用溶液聚合法，以轻质油为溶剂，一氯二乙基铝/四氯化钛为催化体系，C10~14α-烯烃为单体，合成了一种长侧链聚烯烃类油溶性减阻剂。

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