查询词典 propagation

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 fine Hydrangea L species introduced from fremdness was used for cutting and tissue culture for rapid propagation.

以国外引进优良绣球为材料进行扦插和组培快繁研究。

KDF + granule filter: Used (copper alloy + granular activated carbon), copper-zinc alloy can purify above 98% of the soluble harmful heavy metals in the water ,such as plumbum,hydrargyrum,cuprum,nickel,cadmium,arsenic,antimony,aluminum,etc,the rate of removal free chlorine,chloroform up to 96%,to prevent the formation of fouling,inhibit the propagation of bacteria.

KDF+颗粒活过滤器：采用，铜锌合金能去除水中高过98%的可溶性有害重金属，如铅、汞、铜、镍、镉、砷、锑、铝等，对水中游离氯、三氯甲烷的去除率高达96%，防止矿物质污垢的形成，抑制细菌。

However, some properties of laser beams limit its further application. For example, its intensity distribution is Gaussian profile, not uniform one. And propagation path is hyperbolic line, not straight line.

激光束的光强呈高斯分布而不是均匀分布，它的传播路径是双曲线而不是直线，这些特性在某种程度上限制了它的应用。

Analytical Propagation Expressions of Hyperbolic Secant Pulsed Beams with Narrowband and Broadband.

窄带和宽带双曲正割脉冲光束的解析传输式。

On the basis of variation characteristics of ship speed error model, a ship speed regulator using the on-line adaptive error model is proposed in this paper. The control scheme is based on back propagation multi-layer perceptrons adaptive neural network in which a modified hyperbolic tangent function is used as the activation function of an auto-tuning neuron and is updated by the steepest descent method.

在分析船舶航速误差模型变化特性的基础上，应用激励函数的自适应神经网络和最陡下降法的非线性优化技术，提出了自适应学习误差模型控制方法，应用于船舶柴油机调速器控制系统。

Organochromium compounds have many kinds of important activity in the living beings organism. The human body lacking the chromium will cause diabetes and other relevant diseases. Animal lacking chromium will lead to hyperirritability,immune function restrained,propagation function drop, and body quality drop etc.

有机铬化合物在生物机体中具有多种极其重要的活性功能，如果人体缺铬，将导致糖尿病和其他相关疾病；动物缺铬，则会导致对应激敏感、免疫功能受抑制、繁殖功能下降、以及胴体品质下降等。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。