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为了解和掌握黑龙江省居民保健食品的消费情况,我们对1998年5月至1999年5月黑龙江省居民保健食品消费情况进行了调查:1 对象与方法1·1 调查对象 选择黑龙江省经济水平具有代表性的城市哈尔滨市、佳木斯市、齐齐哈尔市、大庆市为调查点,抽取这些城市的商场247个、食品商店202个 药店86个、其他
To understand and master the health food consumption of residents in Heilongjiang Province, we conducted a survey on the health food consumption of residents in Heilongjiang Province from May 1998 to May 1999: 1 Subjects and methods 1.1 The survey target selection Heilongjiang Province economic level has The representative cities of Harbin, Jiamusi, Qiqihar and Daqing are the survey sites, taking 247 shopping malls in these cities, 86 pharmacies in 202 food stores and others