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annual trend; year-to-year change | |||
interannual variability | |||
interannual change | |||
variation between years | |||
inter-annual variation; interannual variation |
年 际变化 : 6 phrases in 4 subjects |
Desert science | 1 |
Ecology | 1 |
Hydroelectric power stations | 1 |
Technology | 3 |