查询词典 propagation

Some crystallized or fractured media show an isotropy relating to elastic wave propagation.

文中建立了一套模拟算法，研究了各向异性与各向同性介质中弹性波场的特征。

The research aimed to study the tissue culture and rapid propagation of Sedirea japonica.

［目的］研究萼脊兰的组织培养和快速繁殖技术。

This research processed important practical significance to the propagation of S. japonica 'Liaohong'.

结论］试验结果对聊红槐的快繁具有重要的生产实践意义。

The study indicates that full propagation of Thiobacillus ferrooxidans in the solution is beneficial to the formation of jarosite.

利用X-射线衍射仪、扫描电子显微镜和能谱分析仪等技术对两种实验获得的黄钾铁矾进行定性分析和形貌观察。

It also covers two-fluid hydrodynamic plasma models, wave propagation in a magnetic field, kinetic theory, Vlasov plasma model, electron plasma waves and Landau damping, ion-acoustic waves, and streaming instabilities.

它也涵盖双流体的流体动力学的等离子体模型、磁场内的波传播现象、动力理论、Vlasov等离子体模型、等离子体波、蓝道阻尼、离子声波和串流不稳定性。

Under condition of research work of rapid propagation of axillary buds for ramie,the following experiments for the improvement of certain elements of media had been completed:the diffirent amounts of agar or sucrose added to media,the culture of Knop's solution,and the sand culture for root growth.

我们在快速繁殖苧麻腋芽研究的基础上，对苧麻腋芽培养用的培养基中的某些成份进行了如下改进试验：不同的琼脂用量；不同的蔗糖用量；Knop 溶液培养；河砂培养基等试验。

In this paper, an all fluid Kraken normal model is employed to analyze the propagation characteristics of shallow water channels.

本文采用了一种全液态Kraken简正波模型，对位于浅海信道的目标海区的传播特性进行分析，得到了不同传播条件下信道的传播损失和频率特性图，为水声通信系统的设计提供了理论基础。

While the new components having the same numbers with these original physical vectors are introduced and the new components are combined with those original physical components to form a new symplectic space, the ray problem of wave propagation in geometrical optics is converted into the problem of Lagrange submanifold in the symplectic space.

本论文的工作作为国家自然科学基金地震波传播与成像项目（NO.40174032）的一部分，得到如下结果：论文分析了利用Maslov方法求解非均匀介质中波动方程高频近似解的基本原理和求解过程，构造了介质系数只在一个方向变化时波动方程高频近似解的通用计算公式。

The order of Laguerre function affects seriously the variations of the carrier-envelope phase with the propagation distance increasing.

结果表明，拉盖尔函数的阶数对传输中超短脉冲拉盖尔-高斯光束的载波包络相位有很大的影响。

Salvia, Lantana = Bedding Plant Propagation System

河床是理想的苗圃种植地（好的土壤、水和有效的劳动

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。