Second, to portray the special resources and the developmental processes of the rural tourism;
二是对乡村旅游的资源特色以及开发历程进行阐述。
They are similar to somatic embryos in appearance but differ in structures and developmental processes.
它的外观与体细胞胚有相似之处，但其结构和发育过程上有明显区别。
The plant-specific NAC transcription factors play regulatory roles in diverse developmental processes and stress responses.
NAC转录因子是植物所特有的一类转录因子，并广泛存在于不同的植物中。
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