1、The process itself is referred to as adventive embryogenesis.
其過程本身稱為不定胚胎發(fā)生。

2、A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.
不定胚與合子胚之間不能劃分出明顯的界限。

3、On Adventive Creature Law
試論外來生物立法