结果表明，白玉兰和望春玉兰花香成分的种类及含量存在较大差异。

The results showed that the aromatic constituents and contents of two plants were distinctly different.

youdao

结果表明，白玉兰和望春玉兰花香成分的种类及含量存在较大差异。

The results showed that the aromatic constituents and contents of two plants were distinctly different.

youdao