单宁含量与青杨脊虎天牛虫口密度之间存在比较明显的负相关性。

Negative correlation between tannin content and larvae density of X. rusticus was obvious.

youdao

单宁含量与青杨脊虎天牛虫口密度之间存在比较明显的负相关性。

Negative correlation between tannin content and larvae density of X. rusticus was obvious.

youdao