Cotton seed industry is a complicated system. work for doing of this text , just only a staggered work of a stage in level, still have more problems to treat to study with the deep.

• 棉花种业产业化是一个复杂的体系，本文所做的工作，只是这一复杂体系中一个层面中的阶段性工作，还有更多的问题有待研究与深化。