the intercensal increase in population 两次户口普查间人口的增加
1 It is an established practice from 1961 for Hong Kong to conduct a population census once every ten years and a by-census in the middle of the intercensal period. 1根据惯例，自一九六一年起，香港每十年进行一次人口普查，并在两次人口普查中间，进行一次中期人口统计。
1.1 It is an established practice from 1961 for Hong Kong to conduct a population census once every ten years and a by-census in the middle of the intercensal period. 1根据惯例，自一九六一年起，香港每十年进行一次人口普查，并在两次人口普查中间，进行一次中期人口统计。
