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second-order signal tracking loop

二阶信号跟踪环

second-order

: 345 phrases in 48 subjects

Agriculture	8
Air defense	4
Animal husbandry	2
Artificial intelligence	5
Automated equipment	1
Automatic control	1
Automobiles	3
Aviation	12
Bridge construction	11
Business	14
Chemistry	34
Construction	1
Cryptography	1
Demography	1
Desert science	1
Drilling	1
Earth sciences	7
Ecology	2
Economics	6
Electric machinery	4
Electronics	19
Engineering geology	3
Finances	1
Forestry	1
General	2
Hydroelectric power stations	2
International trade	1
Materials science	3
Mathematics	14
Mechanic engineering	1
Metallurgy	7
Nuclear physics	1
Oil / petroleum	12
Physics	1
Plastics	8
Polymers	10
Public security	1
Rail transport	1
Reproductive biology	2
Sociology	2
Space	20
Sports	1
Statistics	4
Surveying	3
Technology	96
Telecommunications	6
Textile industry	1
Water resources	3

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