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to phrases
critical period
desert.
机期
earth.sc.
关键期
el.
临界周期
repr.biol.
临界时期
sport., med.
临界期
tech.
关键时期
water.res.
临界期间
critical period
:
14 phrases
in 7 subjects
Agriculture
3
China
1
Desert science
2
Finances
1
Nursing
2
Oil / petroleum
1
Technology
4
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