Mangrove root systems have the ability to absorb and well trap sediments and pollutants in water that flows through them before they enter the ocean.
红树林根系有能力吸收并很好地截留水中的沉积物和污染物，这些沉积物和污染物在进入海洋之前流经这些根系。
The root systems were all the same, but the stems of the treated plants had an average length of 6cm, compared with 3.5cm for the untreated plants.
根系特征表现一样，但是实验组植株的茎长平均达到6cm，对照组为3.5 cm。
These changes have affected the root systems of the yellow cedar trees: the fine surface roots now start growing in the late winter rather than in the early spring.
这些变化对黄杉根系产生了影响。以前，黄杉的表面细根是初春开始生长的；而现在却在晚冬就开始生长。
Soil microbes and plant root systems together form a stable dynamic system, where they interact with each other.
土壤微生物与植物的根系形成一个稳定的动态系统，在这个系统中它们之间相互作用，相互影响。
No-tillage cultivation improved the growth, development and distribution of rice root systems, and enhanced absorption activity of root systems as well.
免耕栽培有利于水稻根系发育和在土壤中的分布，同时免耕大幅度提高水稻根系的吸收活力。
The regenerated plants were trifoliate with well developed root systems.
再生植株根系发达，叶片具三叶特征。
Water is held so tenaciously that most plant root systems cannot absorb it.
水被牢牢地吸住以至于不能被大多数植物根系吸收。
Leaf and root systems grew better in spring rosette stage than in autumn rosette stage.
第二年春季莲座期菊苣叶和根的各项指标均高于秋季莲座期；
Furthermore, the foundation was designed to reduce disturbance to existing root systems.
此外，基础的设计减少了对现有树木根系的干扰。
The distribution of root systems of two apricot species was observed by the Oskamp method.
用改良壕沟法对两个杏品种根系分布进行观察。
Weathering of loess soil is physical and biochemical processes mainly controlled by the root systems of plant community.
黄土的风化主要为植物群落根系的物理作用及其所引起的生物化学作用。
According to the geometric character of the plant root systems, application of the L-systems theories in simulating the plant root systems growth was studied.
根据植物根系生长的几何特征，探讨了L系统理论在植物根系生长模拟中的具体应用。
Sequoias are spectacular redwood trees, towering 300 feet high. But these trees have unusually shallow root systems. So why don't they crash to the ground in strong winds?
红杉是高耸三百呎的壮丽红木树，但这些树的根往往非常浅，那为何它们面对强风也不致折断倒地呢？
Long-lasting particles of cesium 137 can cycle through an ecosystem for decades, entering plants when they are taken up by root systems and returning to the earth when the plant dies.
铯137可在生态系统循环数十年，被根系吸收后进入植物，并在植物死亡后再回到土壤。
According to the characteristics of geometrical modeling which can describe exactly the structural features of plant root systems, a method about modeling of plant root systems is proposed.
根据几何构造模型能够准确表达植物根系形态结构的特点，提出了一种植物根系三维建模方法。
According to the characteristics of geometrical modeling which can describe exactly the structural features of plant root systems, a method about modeling of plant root systems is proposed.
根据几何构造模型能够准确表达植物根系形态结构的特点，提出了一种植物根系三维建模方法。
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