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English thesaurus
Periodic Orbit
NASA, abbr.	PO

Periodic: 272 phrases in 39 subjects

Accounting	1
Agriculture	14
Astronomy	19
Automated equipment	1
Chemistry	11
Communications	21
Customs	2
Earth sciences	4
Economy	3
Electric motors	8
Electronics	22
Environment	2
Finances	7
Forestry	2
General	6
Health care	9
Human rights activism	2
Information technology	6
Law	12
Life sciences	1
Materials science	2
Mathematics	1
Measuring instruments	6
Mechanic engineering	5
Medical	62
Metallurgy	1
Microsoft	2
Nuclear and fusion power	1
Pharmacy and pharmacology	7
Physical sciences	1
Politics	3
Polymers	2
Social science	1
Statistics	7
Taxes	1
Technology	3
Textile industry	2
Transport	8
Work flow	4