选取河南省登封县为示范县，新密县为对照县。 采用封闭式调查问卷对两县分别进行基线和终线调查。
We selected Defeng County of Henan province as the demonstrated group, and Xinmi County as the control group.
选取河南省登封县为示范县，新密县为对照县。 采用封闭式调查问卷对两县分别进行基线和终线调查。
We selected Defeng County of Henan province as the demonstrated group, and Xinmi County as the control group.
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