When the crops flower, they will cross-pollinate, and the organic farmer may have a problem.
当作物开花，就会杂混传粉，种有机作物的农民就有麻烦了。
2
The term "flower structure" reflects the resemblance of the structure to the petals of a flower in cross section.
“花状构造” 这一术语反映了这种构造在横剖面上类似于一朵花的花瓣。
3
Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.