硅藻类的营养细胞是二倍体，它是由配子融合直接产生的。
In diatoms the vegetative cells are diploid, and are formed directly by the fusion of gametes.
同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。
Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite. Compare heterothallism.
产业融合产生的前提是技术融合、业务融合、市场融合以及产业管制环境的变化。
The preconditions for industry convergence include convergence in technology, operation, market and change in industry governance.
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