The water -saving principle, effect and impact to crop roots distribution are analysed and the technology standard is also presented in this paper.
文章分析了膜上灌的节水原理、节水效果及对作物根系分布的影响，并提出了其技术规范。
Roots in soil profile of the mixed stands show a well distribution.
混交林的根系在土壤剖面上，垂直分布趋于均匀。
The algebraic condition can be represented by the distribution of the roots of the generalized characteristic equation of the ellipse and parabola (hyperbola).
这些代数条件表示为由椭圆与抛物线，椭圆与双曲线确定的广义特征多项式的根的分布。
The function of root tip is related to transport, unloading and distribution of auxin in roots.
根尖功能与生长素运输、根尖的卸载及根中的分布有密切关系。
Objective To find out the distribution of nerve endings in the dural sheath of cervical nerve roots and to study the mechanism of cervical radicular pain.
目的调查人颈髓神经根硬膜性被膜内神经末梢的数量分布，探讨颈神经根性疼痛的发病机制。
The formulas that used in the iterative procedure are build by means of the distribution of the roots of polynomial equation on the plane, and therefore the generating images are designed in advance.
可以利用多项式的根在复平面上的分布构造用于迭代的计算式，使能够对生成图形进行预先设计。
Under low phosphorus condition, the ratio of root to shoot in all genotypes increased; uptaking and distribution of p, k, Ca, Mg, Fe, Zn between roots and shoots also changed.
低磷胁迫增大了植株的根冠比，改变了植株对营养元素的吸收及其在地上部和根系的分配。
We obtain the relative distribution of roots of two polynomials whose degrees are respectively 2 and 4, and we answer the same problem about the two polynomials of degree 3.
研究两个多项式的根的相对分布的显式判定问题，得出两个三次多项式的根的相对分布以及二次和四次多项式的根的相对分布的显式判定。
Furthermore, as for the fork blade roots, a simplified contact model is put forward and according to the calculation results, a more reasonable pin-hole load distribution model is given in this paper.
另外，对叉型叶根，文中提出了一种简化的接触模型，并根据计算结果给出更合理的销钉孔载荷分布拟合公式。
Objective: To make definitely the sensory distribution area of lumbosacral nerve roots.
目的：确定腰骶神经根的感觉分布区。
These results illustrated that the plant roots could influence the distribution and dynamics of metal forms in rhizosphere, and much for mycorrhizal plants than for non mycorrhizal plants.
该结果表明，植物根系能影响根际中金属形态的变化，且菌根比无菌根的影响程度大。
These results illustrated that the plant roots could influence the distribution and dynamics of metal forms in rhizosphere, and much for mycorrhizal plants than for non mycorrhizal plants.
该结果表明，植物根系能影响根际中金属形态的变化，且菌根比无菌根的影响程度大。
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