nascence

n.

发生，起源；

1. The nascence of that kind of animal is unknown.
   那种动物的起源不为人知。

Nascence man
The Nascence of Clay Minerals
Origin of life: Nascence man
Nascence Project: Nanoscale Engineering for Novel Computation Using Evolution
Bayliss and Starling and the nascence of endocrinology.
Tracing back the nascence of a new sex-determination pathway to the ancestor of bees and ants
Tracing back the nascence of a new sex-determination pathway to the ancestor of bees and ants.
Evidence for the evolutionary nascence of a novel sex determination pathway in honeybees.
A Probe into the Nascence and Essence of the So-called "China's Suzerainty Over Tibet in Late Qing Dynasty"
Social origins of industrial agriculture: Farm dynamics in California's period of agricultural nascence