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- The result indicates that great differences,which have significant influence on the aqua-plants,exist in the evapotranspire,the bio-mass,the root density and the root length. 研究的结果表明，不同水生植物的蒸散量、生物量、根密度和根长存在较大的差异，这些差异对水生植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。
- In comparison with ammonium as sole N source, the ammonium nitrate nutrition increased root length, root surface area, root density, and total P uptake. 与单一的铵营养相比，铵硝混合营养增加了根长和根系的表面积、根系的密度以及磷的总吸收量;
- A shallow-rooted, high-tillering variety has a very high root density around the plant base but the roots grow vertically as well as laterally. 浅根、高分蘖品种在植物根茎周围根密度很大，但根系同时向垂直和水平方向生长。
- In middle stage of succession, more and more roots distributed deepened and inlaid, and roots density increased. 演替中期的根系呈镶嵌分布，分布范围加深，根系密度增加；
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
- The plant has not struck root yet. 那棵植物还没生根。
- Unhappiness is the root cause of his illness. 不开心是他生病的根源。
- Idleness is the root of all evil. 懒惰乃万恶之源。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Effects of proximity of stems and tree diameters on fine root density in plantations 树木位置和胸径对人工林细根水平分布的影响
- I managed to root out a copy of the document. 我好不容易才找到了文件的副本。
- He caught his foot on a tree root and stumbled. 他一只脚被树根绊住而跌倒了。
- Do you think it is possible to root out crime? 你认为可以根除犯罪吗?
- Money is thought to be the root cause of all evils. 金钱被认为是万恶之源。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- This is the root cause of poverty. 这是贫穷的根本原因。
- That is the root cause of all our differences. 那是我们一切分歧的根源。
- Do you think the new rosebush has taken root? 你看新栽的玫瑰长根了吗？
- Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site 刺槐和侧柏人工林有效根系密度分布规律研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
