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1·The little bamboo tree had been growing underground for the past four years, in the fifth year and beyond, it developed a root system strong enough for its ground growth.

过去的四年里，这株小竹子一直在地下生长，第五年开始，它形成了足够强大的根系，可以在地面生长。

2·A group of thousands of aspens can actually constitute a single organism, called a clone, that shares an interconnected root system and a unique set of genes.

一群成千上万的白杨实际上可以组成一个单独的有机体，被称为克隆，它们共享一个相互连接的根系和一套独特的基因。

3·It spreads primarily by underground stems; colonies form when pieces of the root system or whole plants float into an area and take root or when seeds float into a suitable area and germinate.

它主要通过地下茎传播；当根系统碎片或整个植物漂浮到一个区域并生根，或当种子漂浮到一个合适的区域并发芽时，菌落就形成了。

4·Type of root system (tap or fibrous) and density of roots.

根系类型(直根还是须根)和根系密度。

5·The root system distribution was the umbrella shape in soil.

根系在土层中基本呈伞状分布。

6·STEVE RENQUIST: Blueberry plants have a pretty shallow root system.

Steve Renquist说：“蓝莓植物有一个很棒的浅根系统，枝叶并不很茂盛。

7·He removed the shelter once the root system began to push against it.

在南瓜根开始向棚伸展的时候，他将小棚移除。

8·The mangrove forest also sequesters carbon dioxide in its root system.

红树林的的根系可以起到隔绝碳的作用。

9·Han Jia, I know the banyan tree has a very developed root system.

韩佳，我知道菩提树是一种榕树，它的根系特别发达。

10·This part asks them to think about the root system for their blog.

这一部分要求他们去思考他们的博客的根基系统。

根系

1·A group of thousands of aspens can actually constitute a single organism, called a clone, that shares an interconnected root system and a unique set of genes.

一群成千上万的白杨实际上可以组成一个单独的有机体，被称为克隆，它们共享一个相互连接的根系和一套独特的基因。

2·Therefore, an ideal bioenergy plant would produce lots of aboveground biomass for fuel as well as have an extensive root system.

因此，一种理想的生物能植物应能生产大量的地上部生物量燃料并有丰富的根系。

3·The mother tree is usually surrounded by the offshoots, all connected via the same root system.

在母树的周围通常有着很多个的分支，它们之间通过同根系相互连接。

4·These sprouts grow slowly, nourished by the root system of the mother tree.

这些树芽成长缓慢，由「母树」的根系提供养分。

5·Han Jia, I know the banyan tree has a very developed root system.

韩佳，我知道菩提树是一种榕树，它的根系特别发达。