英语语法分析

The runoff has the catabatic effect to acidification of water quality.

地表径流对水质的酸化有缓冲作用。

It was proven to be of good performances of catabatic corrosion and scale prevention in practice.

实践证明，该配方具有良好的缓蚀、阻垢性能。

Results: 137 patients had an obvious catabatic symptom after operation. None was recrudesced. The cure rate achieved 100%.

结果：137例患者术后症状明显缓减，术后均无复发，治愈率达100%。