demographic的例句（demographic在句子中的用法）

• demographic research units in the world 世界人口学研究机构
• the theory of demographic transition 人口转变论
• UNFPA also helps countries compile reliable demographic data and carry out censuses. 人口基金还帮助各国汇编可靠的人口数据及开展人口普查.
• This quiet demographic counter - revolution is a dramatic upsurge in intermarriage. 这种人口统计学意义上的逆向流动便是异族婚姻的大幅增加.
• The demographic transition is thus, in part, a pure accident. 因此, 一定意义上来说, 人口结构的转换是一场纯粹的意外.
• But the demographic it's targeted at is very technology - savvy. 但是人口统计旨在科学的调查.
• Most of our listeners are in the 25-39 demographic. 我们的大多数听众都属于 25至39 岁这个年龄段。