seed purity identification

• 种子纯度鉴定

seed purity identification的用法和样例：

例句

1. The purity of these cells was identified by immunohistochemical staining.
   用免疫细胞化学法进行细胞纯度鉴定。
2. The main practical identification methods for maize variety and genetic purity were compared.
   本文比较了国内外应用的玉米品种及纯度鉴定的方法。