Hajnal line

短语

词形变化

the Hajnal line

释义与例句

name
  1. 1.

    An imaginary line drawn between Saint Petersburg in Russia and Trieste in Italy, sometimes thought to divide Europe into two areas characterized by different levels of nuptiality, with lower marriage and fertility rates to the west, and higher rates to the east.

词源

Proposed in 1965 by John Hajnal.

来源：wiktionary