查询词典 propagation

Original cracks are obtained by directional fracture with the slotted cartridge. This paper discusses the normal law and mode of crack propagation and analy...

研究了爆炸载荷下的裂纹起裂、发展和止裂的动态扩展行为，分析了其破坏模式、动态应力强度因子及裂纹扩展速度

In order to search a fast way of propagation, the microprogation techniques of cashew were studied in this present.

本试验通过提高种子繁育的增殖系数，达到降低种苗成本的目的。

The aim was to provide the theoretical basis for fast propagation of Cassia surattensis Burm.f..

［目的］为快速扩繁黄花槐提供理论依据。

Dairy cattle breeding and ranch equipment: cows breeding and propagation; ranch facilities and management; milking equipment and accessories; feeding system; Slurry treatment system; pasture, feed, feed additives and feed processing equipment; Cow Health and medicine; milk storage, testing and transport equipment, etc.

奶牛养殖与牧场设备：奶牛育种与繁殖；牧场设施与管理；挤奶设备与配件；喂饲系统；粪污处理系统；牧草、饲料、饲料添加剂与饲料加工设备；奶牛保健与药品；鲜奶贮藏、检测与运输设备等

In specific topics, Cattleya, Phalaenopsis, Dendrobium, Vanda, etc., are introduced on their varieties, propagation and cultural techniques.

各论包括各主要兰花如嘉得利亚兰，蝴蝶兰，石斛兰，万代兰，蕙兰等之品种，繁殖方法，及栽培管理技术。

The experiment results show that the device is appropriate for the micro-laser In order to optimize the design of the resonator cavity in the high-pressure discharge gas laser, an Eigenvector Method for calculation of optical resonator modes and beam propagation is brought forward.

为了更好地设计高气压放电激光器的谐振腔结构，提出了一种新颖的模拟光腔模式及光束传输的特征向量法。

Furthermore, M2M communication system is totally different from modern cellule systems, the exist channel model could not be used to describe the propagation properties of the M2M fading channels, meanwhile, there are not sufficient research results could be used to explain the space-time-frequency characteristics of M2M channels.

利用这些信息，通信系统才能设计得具有理想或接近理想的性能。M2M通信信道不同于经典的蜂窝网络信道，目前已有的许多信道模型不能运用于M2M通信系统，也没有已知的信道模型可以直接用来描述M2M信道的衰落和空-时-频域行为。

This is formed by the cracks oscillating about the centerline in the direction of crack propagation.

这是由于在裂纹的传播过程中，裂纹尖端沿着传播方向的中线上下振荡所形成的。

Results showed that the main wear mechanism of automotive engine Oil -pump chain was fatigue wear , and its failure mechanism was the initiation , propagation of cracks and flaking on top layer of pin and bush .

结果表明，汽车发动机机油泵链的主要磨损形式为疲劳磨损，销轴？套筒零件表面的裂纹生成？扩展与剥落是其主要磨损失效机制。

The propagation of interface cracks, the chemical reaction and element diffusion at the interface zone has been studied.

研究了此种新型覆层材料硬质覆层和钢基体之间界面裂纹扩展的情况以及在界面区域的化学反应和元素的扩散。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。