英语语法分析

The result showed that under the SEM ornamentation of testa of species of the Juncaceae has 3types:longitudinal lined type;

结果表明：在扫描电镜下，本科植物种子表面纹饰有3种不同的类型，即网纹型、条状突起型和纵条纹型。

The antioxidant activities of each extract from two Juncaceae plants were determined by using DPPH free radical scavenging method.

采用DPPH法对两种灯心草属植物不同溶剂提取物进行抗氧化活性研究。