1) biennial plants
二年生植物
2) Overhauling once in 2 years
二年一修
3) Jing Yuan II
景元二年
1.
As a crucial works of JIkang research, "The Letter to SHAN Ju-yuan in Breaking Off Relations" has permanently caused debate and controversy , most scholars maintained that it had written in Jing Yuan II , i.
其写作时间学界多持魏景元二年,即公元2 6 1年。
4) two-year seed
二年种子
1.
According to the conception brought forward by Crocker and Borton(1959),two-year seed is usually the seed with no seedling emergence before second spring coming after its matutity in nursery under natural condition\.
Borton(1959)提出的概念,凡是在苗圃条件下,犹如在自然条件下成熟后的第2个春季来临之前不出苗的种子,通称为二年种子(two years seed)[9]。
5) two-year-three-crop system
二年三作
6) the second year of Daye
大业二年
参考词条
补充资料：二年生
种子萌发的当年只长出根和叶子，次年才开花结实，然后死亡的，如萝卜、白菜、洋葱等植物都是二年生的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。