be reference indexes 作为参考指标
The content of free proline, soluble protein, chlorophyll and relative water can be used as reference indexes.
游离脯氨酸含量、可溶性蛋白质含量、叶绿素含量和叶片相对含水量仅可作为参考指标。
Specific assessment methods and reference indexes are all put as an attachment of the text as a reference whenever needed.
对于较为具体的评价方法、参照指标等，均作为附件附于正文之后，可在具体用到作为参考。
Conclusion the overall density of mosquitoes, flies and rats was generally low, despite a few districts where the density exceeded reference indexes.
结论蚊、蝇、鼠密度除个别区、县较高，超出杀虫参考指标以外，总体密度较低。
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