2) source of the validity of a contract
合同效力根源
3) On the Foundations of the Validity of Contract
论契约效力的根源
4) origin ceasing to be effective
失效根源
5) the mechanical roots
力学根源
1.
This paper calculated the distance among nucleons in the pervading layer,analyze the action among nucleons,researches on the mechanical roots of decrease progressively of the heavy elemental lifetime.
计算了原子核弥散层核子间的距离,分析核子间的作用,并探求重元素寿命递减的力学根源。
6) basis of validity
效力根据
1.
For a long time there has been much controversy on the basis of validity of International Law.
就国际法效力根据的问题,长久以来各学派众说纷纭。
补充资料：根源
①使事物产生的根本原因：寻找事故的～。②起源（于）：经济危机～于资本主义制度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条