英语语法分析

No severe hepatic or nephritic damage was observed.

没有严重的肝、肾功能损害。

The nephritic syndrome was the most constant clinical manifestation(47.63%).

临床上以肾病综合征表现最常见（47.63%）。

Please discuss the clinical type and diagnosis standard of nephritic syndrome.

试述肾病综合征的临床分型及诊断标准。