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downcurve | |||
descending curve | |||
depression curve | |||
decline curve | |||
drop-down curve | |||
down curve |
下降曲线 : 29 phrases in 11 subjects |
Bridge construction | 2 |
Business | 1 |
Desert science | 1 |
Economy | 1 |
Electric machinery | 3 |
Engineering geology | 3 |
Hydroelectric power stations | 1 |
Metallurgy | 3 |
Reproductive biology | 1 |
Securities | 1 |
Technology | 12 |