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standard substance
standard substance
oil
标准物质
space
标准物
;
基准物
|
selection
selection
genet.
选育
hydroel.st.
选择
;
挑选
space
选择
;
选定
to phrases
standard substance
oil
标准物质
space
标准物
;
基准物
tech.
标准物
(质)
standard substance:
12 phrases
in 2 subjects
Chemistry
1
Technology
11
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