人口統計學

Simplified: 人口统计学

rénkǒutǒngjìxué ㄖㄣˊ ㄎㄡˇ ㄊㄨㄥˇ ㄐㄧˋ ㄒㄩㄝˊ

    • population studies
    • population statistics

Character by character

Sources