查询词典 propagation

This pattern may be applied to problems such as heat flow and wave propagation.

该模式适用于处理热流和波传播问题。

This project focused on propagation of Matteuccia struthiopteris, Sedum spectabile and Hemerocallis Spp in order to establish the propagating system of each plant .

论文研究了荚果蕨、景天及萱草等几种引进地被植物的繁殖技术，试图针对每种植物建立一整套繁育体系，使其在园林中的推广应用成为可能。

In order to provide a theoretical base for rapid clonal propagation of new variety of Hemerocallis middendorfii（＂Baltimore oriole＂,＂ Bettry woods＂）that was imported from foreign countries, 1/2MS media containing different concentration of NAA and IBA were used to regenerate from Hemerocallis middendorfii re-grown shoots without roots.

为了快速繁殖从国外进13的大花萱草新品种，本试验中以"红运"、"奶油卷"无根试管苗为材料，以1／2MS为基本培养基，加入不同浓度的NAA和IBA作为外源激素，对大花萱草进行生根诱导。

Using real-valued decomposition technique, Unitary Cyclic root-MUSIC algorithm without spectral search was proposed for multipath environment of mobile communication, by reconstructing the data model of the cyclic covariance matrix with Hermitian property, which has a better performance in the presence of multipath propagation and substantially reduces the computational complexity.

通过构造了循环自相关矩阵的数据模型，使其具有厄尔米特特性，提出了一种基于实值分解技术的循环root-MUSIC算法，无需空间谱搜索，较好地解决了多径传播环境中信号高度相关问题，极大地降低了计算量。

Making and propagation and application of high-energy laser are an important direction of modern laser technology and optics engineering.

高能激光的产生﹑传输和应用是现代激光技术和光学工程的重要发展方向。

The effects of different light quality (blue light, red light and mixed blue and red light) on propagation of young stem and taking root in Hetao honeydew melon are shown. In regenerative whole plants, domestication was taken and suitable transplanting condition was studied.

对形成的植株进行了单倍体植株的鉴定，同时对获得的单倍体植株进行了染色体的加倍和鉴定，获得了纯合二倍体，通过对获得的纯合二倍体经过田间比较和鉴定，筛选出了部分优良的单株和株系。

The classical elastic theory is precisely based on the Hooke's law, and issuitable to the depicting and describing of seismic wave propagation in the elasticmedia. But either from the experimental results of testing on the core, or from thepractical results of exploration and exploitation in the oilfield, the subsurface mediumshows more or less the non-elastic characteristics, namely viscoelastic behavior.

经典的弹性理论是建立在精确遵守虎克定律的基础之上的，弹性波动理论适用于对弹性介质中传播的地震波的刻画和描述，但是无论是对地下岩芯的实验室测试，还是油田的勘探开发实践，都已经证实地下介质或多或少地表现出非完全弹性，即粘弹性行为。

Seedlings was studied on the basis of propagation of different host plant species.

在不同寄主植物繁殖的基础上，研究了檀香Santalum album L。

Hosta plantaginea ; tissue culture ; rapid propagation

花叶玉簪；组织培养；快速繁殖

I've attempted propagation of hoyas from leaves several years ago, and experimented with various species. All you get for your effort is a leaf with roots, and that's about it.

几年前，我曾尝试过用叶片繁育球兰，并且试验了多个品种，但结果得到的是只有须根的叶子，，情况就是这样的。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。