您要查找的是不是：
- 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。
- Root pressure The pressure that may build up in a plant root system due to the root cells, which is thought to help force water upward in the xylem vessels. 根压：由于根渗透势而形成的植物根内压力，可以帮助水分在木质部中的上升，这一作用可通过切断茎，水从切口渗出的现象得到证实。
- Aquatic-plant bed system is a kind of constructed wetland without any substrate which purify raw water by absorption and filtration of plant root systems and degradation of symbiotic microorganism. 水生植物床是一种无基质型人工湿地系统,利用植物根系吸收、过滤及共生生物的降解作用对水质进行净化。
- Plant small grass and bush using the feature of concrete air gap such as air permeability and water permeability to penetrate plant required nutrition and to grow plant root system. 利用混凝土空隙部位的透气、透水等性能,渗透植物所需营养,生长植物根系的特点种植小草、低的灌木等植物。
- Effect of the Plant Root System on Preferential Flow in Soil 土壤优势流的植物根系效应
- Simulation Models of Plant Root System Archit ecture and Application: A Review 根构型模拟模型及其应用
- Doping geometrical parameters of plant root systems growth using theory of similarity 利用相似理论实现植物根系参数的动态预测
- An Experimental Study on Herb Plant Root System for Strength Principle of Soil-fixation 草本植物根系网固土原理的力学试验探究
- Research Advance on the Functions of Plant Root System in Soil Anti-erodibility and Anti-shear Strength 关于植物根系在土壤抗侵蚀和抗剪切中的作用研究进展
- With the growth of trees, root systems interlace. 以油松为例进行模型验证。
- Study on Defense and Variety of Its Anti-oxidize Protecting Enzyme to Cadmium Stress in TWO Species of Plant Root System 植物根系对镉毒害的防御及其代谢
- Keywords plant root system;conformational parameters;camera demarcation;calibration of image aberrance;image mosaic;fractal theory; 植物根系;形态参数;摄像机标定;图像畸变校正;图像拼接;分形理论;
- They digs in moist soil and feeds on plant roots. 它们在潮湿的泥土中钻洞，吃植物的根部。
- The root system of the apple tree grows in proportion to the top. 苹果根系的生长与树冠生长成正比。
- Fibrous root systems are characteristic of monocotyledons. 须根系是单子叶植物的特征。
- Root systems have had to be excavated without the aid of water. 根系必须在不用水的情况下掘
- At maturity the root system is extensively nodulated. 在成熟时，根系普遍具有根瘤。
- plant root systems 植物根系
- The picture show how the plant roots go deep into the soil. 这张照片显示植物的根是如何深入到土壤里去的.
- Research Progress in the Root System of Arctium lappa L. 牛蒡根的研究进展。
