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control of plot; representative area | |||
check plot; contrast area; control plot | |||
control area | |||
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check plot; test plot; control plot | |||
| |||
check plot |
对照区 : 6 phrases in 5 subjects |
Agriculture | 2 |
Bridge construction | 1 |
Genetics | 1 |
Technology | 1 |
United Nations | 1 |