黄硕忠的回答：

milankovitch-hypothesis 假设 . 很高兴为你解答！ 如有不懂，请追问。 谢谢！

会计师的回答：

two-hit hypothesis [词典] [医] 二次突变假说; [例句]a good general way to think of the factors that lead to depression is with the two-hit hypothesis. 采取“两步假设法”可以从宏观上了解这些因素是怎样导致抑郁的。