求翻译：调查涉及的农户包括以农为主的纯农户、以农为主的兼业户，标准化产品涉及水稻、玉米、蔬菜、水果和生猪等是什么意思？

Investigation involving farmers and farming Chunnong Hu, the chief industry, households and farming, standardized products as rice, corn, vegetables, fruit and pigs

The farmers are based purely on agriculture and farmers, and families of standardized products, rice, corn, vegetables, fruits, and pigs, etc.

The investigation involves the peasant household including by the agricultural primarily pure peasant household, by the agricultural primarily concurrently owner, the standardized product involves the paddy rice, the corn, the vegetables, the fruit and the live pig and so on

Investigations involving farmers, including plain, dominated by agricultural farmers, mainly to agriculture and industry, standardized products such as rice, corn, vegetables, fruits and pig

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