自然发生的二倍体
Naturally occurred diploid
自然发生论
abiogenesis
theory of spontaneous generation
放大的自发发射
amplified spontaneous emission
放大的自发发射谱
amplified spontaneous emission
放大自发发射
amplified spontaneous emission
近自然生态设计
approx-natural ecological design
煤层自然发火
coal spontaneous combustion
煤自然发火期
the time of coal natural ignition
self-ignition duration of coal
男女婴每年出生自然比率
natural ratio of males to females born each year
剖腹产后自然生产
vaginal birth after cesarean VBAC
VBAC vaginal birth after C-section
再生自然资源
renewable natural resources