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to phrases
empirical formula
agric., stat.
计算公式
anim.husb.
验方
biophys.
经验公式
(formula empirica)
chem.
实验式
;
成分式
;
实验公式
desert.
经验式
hydroel.st.
经验公式
tech.
经验
公
式
empirical formulas
space
经验公式
empirical formula:
20 phrases
in 8 subjects
Aviation
2
Engineering geology
1
General
1
Metallurgy
1
Refrigeration
2
Space
1
Technology
11
Wind Energy
1
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