按容量比例的概率抽样调查方法,曾用于生物制品接种率调查,且有报导证明是一种较好的调查方法.但尚未见有用于调查现患率。根据本法原理,对一个在1983年8月25日至10月18日发生传染性结膜炎暴发流行,总人口842人的自然村。试用本法调查现患率。并作普查对照。 Probability sampling by volume ratio method has been used to investigate the inoculation rate of biological products, and there are reports proving it is a better method of investigation, but it has not been found to be useful in investigating the prevalence rate. According to the principle of this Law, a natural village with a total population of 842 people, with an outbreak of contagious conjunctivitis occurring between August 25 and October 18, 1983, was declared. Try this method to investigate the prevalence rate. And for census control.