Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.
蕨类植物是最早登陆的维管植物,至今仍然是生态系统初级生产力的重要组成部分。
单词 | productivity of ecosystem |
例句 |
英语例句库
Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems. 蕨类植物是最早登陆的维管植物,至今仍然是生态系统初级生产力的重要组成部分。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
PBS古生物起源 The weathering of these growing mountain ranges pumped massive amounts of nutrient-rich sediment into the oceans, increasing the productivity of ecosystems near the shore. 这些不断增长的山脉将大量富含营养的沉积物带入海洋,增加了近岸生态系统的生产力。 |
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