seed dormancy

• 种子休眠

seed dormancy的用法和样例：

例句

1. Causes of seed dormancy and polymorphism of dormancy were summarized in this paper.
   摘要概述了植物种子休眠的原因及种子休眠的多形性。
2. Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.
   硬实种子种皮透水透气性差和对胚生长的机械限制，引起种子休眠。