英语语法分析

Myrica rubra is a special fruit tree of China, which has wide distribution and rich resources in China.

杨梅是中国的特产果树，在中国境内资源丰富、分布广。

Bayberry (Myrica rubra) leaf blight is one of the important diseases occurring on bayberry in hunan province.

杨梅叶枯病是湖南省杨梅的主要病害之一。

The extraction conditions of myricanol in Myrica esculenta bark were studied and its content was determined by HPLC.

研究从毛杨梅树皮中提取杨梅醇的工艺条件及用HPLC法测定其含量的色谱条件。