英语语法分析

The hematocrit showed a decrease, which was maintained.

红细胞压积呈现出一种保持下降的趋势。

Styrax produced in Guangdong could reduce blood viscosity and hematocrit, and decrease platelet aggregation.

广东产苏合香能降低血液粘度和红细胞压积，降低血小板聚集率。

The hemoglobin and hematocrit levels were recorded preoperatively and five days postoperatively for each patient.

每名患者术前的血红蛋白和红血球压积以及相应术后五天的结果都被记录在案。