它需要进行家访，有良好的纪录，营养监测设备，和训练有素的人来管理该计划。
It requires home visits, good records, nutrition-monitoring equipment, and trained people to administer the program.
它需要进行家访，有良好的纪录，营养监测设备，和训练有素的人来管理该计划。
It requires home visits, good records, nutrition-monitoring equipment, and trained people to administer the program.
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