xylophyta造句

• South tropical biomass of sea most in order to enrich , have already discovered 259 sections of each kind of xylophyta , 1347 belong to , 4200 kinds of , about have 1 / 7 of the whole country
  海南热带生物资源最为丰富，已发现各类木本植物259科、 1347属、 4200种，约占全国的七分之一。
• But the genetic transformation of xylophyta is far lagged behind that of most agronomic species , mainly because lack of a high efficient system of regeneration and genetic transformation
  绝大部分果树属于木本植物。果树的遗传转化进展缓慢，甚至落后于林木，其原因仍然是缺乏适宜的遗传转化受体和高效的遗传转化方法。