英语语法分析

This paper reported the results of Microbiological assay of actinomycin 23-21 using bacillus subtilis 63501 as testing organism.

采用微生物检定法测定放线菌素23-21的抗菌活性，检定菌为枯草芽孢杆菌。

Having treated roots with PEG and Actinomycin D or Cycloheximide, the accumulation of ABA in roots and leaves were inhibited clearly.

经放线菌素D和环己亚胺分别与PEG一起处理，根及叶片ABA增加均明显受抑制，说明此ABA增加可能来源于组织的从头生物合。