英语语法分析

But Britain's DRA has now been largely phased out, and social norms are changing.

但目前，英国的DRA基本上已经被逐步取消，而且社会规范也在不断变化。

Objective To evaluate the value of high resolution ultrasound diagnosing on the dialysis related amyloidosis (DRA).

目的研究透析相关性淀粉样变(dra)的声像图特点，评价超声技术对DRA的诊断价值。

Working area for drag reduction agents (dra) is in turbulence area, and it can reduce resistance as well as increase transportation effectively.

减阻剂的作用区域在流体的湍流区，它能有效的降低流体阻力增加流量。