Hellin's law

短语

[医] 海林氏定律(用以计算多胎妊娠的发生率)

释义与例句

name
  1. 1.

    The principle that the frequency of x multiple births from natural pregnancies is approximately 1:89ˣ⁻¹.

词源

Originated in an 1895 paper by D. Hellin.

来源：wiktionary