查询词典 wave system

Low strain dynamic response theory is the basis of method in stress wave testing of anchorage system, which can be used to explain the dynamic reaction between anchor bar and surround rock, the mechanics of anchor bar stress wave testing.

锚杆—围岩结构系统的低应变动力响应理论是锚杆锚固系统应力波测试方法的理论基础，开展这方面的研究对于弄清锚固系统动测机理以及建立锚固体系损伤诊断和锚固质量评价具有十分重要的意义。

Wave Technology Development Co., Ltd. Shenzhen Wave Technology Development Co., Ltd. is a professional engaged in computer software and hardware development, system integration products, electronic information products design, manufacture and sales of high technology enterprises, was found in Shenzhen Technology Bureau of the private high-tech company, is organized by the Shenzhen City Information found the focus of enterprise software support.

波创科技发展有限公司深圳市波创科技发展有限公司是一家专业从事计算机软、硬件开发，系统集成产品，电子信息产品集设计、生产、销售为一体的高科技技术企业，是经深圳市科技局认定的民营高科技企业，是经深圳市信息办认定的重点软件扶持企业。

Pulsed Doppler echocardiograph was used to test separately blood flow velocity wave of ascending aorta arcus, aorta and abdominal aorta in of 17 patients with aortic insufficiency with nonliner factor and results compared with those of 15 normal subjects of the same ages. The purpose was to disclose the regulation of blood flow waveform distortion in arterial system and the existance of shock wave.

应用超声多普勒对存在非线性因素的17名主动脉瓣关闭不全患者的升主动脉、主动脉弓以及腹主动脉进行分段逐点测试血流速度波，并和年龄相匹配的15名健康受试者为对照进行前瞻性探究，以探索人体动脉系统中血流波形畸变的规律及激波的存在。

Pulsed Doppler echocardiograph was used to test separately blood flow velocity wave of ascending aorta arcus, aorta and abdominal aorta in of 17 patients with aortic insufficiency with nonliner factor and results compared with those of 15 normal subjects of the same ages. The purpose was to disclose the regulation of blood flow waveform distortion in arterial system and the existance of shock wave.

应用超声多普勒对存在非线性因素的17名主动脉瓣关闭不全患者的升主动脉、主动脉弓以及腹主动脉进行分段逐点测试血流速度波，并与年龄相匹配的15名健康受试者为对照进行前瞻性研究，以探讨人体动脉系统中血流波形畸变的规律及激波的存在。

The paper establishes an appropriate model of vibration system composed of horn and gear. The transmission of ultrasonic is changed from longitude wave into transverse wave; the gear vibrates in flections mood and obtain larger vibration displacement in the grinding region.

本文提出了一个适用的振动系统模型，由变幅杆和齿轮组成一个复合振动系统，将超声波的传递方式，由纵波变为横波，齿轮作圆盘弯曲振动，使齿轮的磨削区域得到较大的振动位移。

Especially in military affairs, it is the vital part in military operations. Short-wave communication is attractive because only little power and proper expenditure is needed when it is used for long distance communication. For this valuable trait, many country have expanded the area of short-wave communication's research, thus there has become more and more new-model communication system.

短波通信之所以能吸引用户用它传递信息，最基本的原因是由于进行远距离通信时，仅需要不大的发射功率和适中的设备费用，这一宝贵的优点，使得世界各国近年来加紧了短波通信的研究，出现了各种新型的短波通信系统。

Based on the transmission behavior of hydroelastic wave within pipe,a new thinking to utilize the hydroelastic wave + water hammer effect to control paraffin and scale and remove plug in oil pipeline system so as to realize safe transportation of oil and energy saving has been put forward in the paper.

根据液体弹性波在管道中的传输特性，结合原油管输系统，提出了刊用弹性波振荡和水击效应来防蜡防垢、排污解堵，从而实现降耗节能安全输油的新思路。

In certain parameter regions above spatiotemporal systemshave both spiral wave state and some homogeneous states.Feedback pinnings aresuggested to migrate the system from the spiral wave to various wanted patterns.Theinfluences of pinning density,forcing strength,and different pinning distributions onthe driving effect are investigated.

在这一章，我们用局域钉扎反馈技术，控制不同介质中的螺旋波，结果发现成功控制螺旋波，不仅依赖于钉扎的密度和控制强度，而且还特别依赖于控制点的分布，因此优化设计钉扎的分布可以大大提高控制效率和得到丰富的斑图。

The system is based on optical heterodyne structure, and use half wave plate, quarter wave plate and polarization beam splitter to improve the intensity of Doppler signal and signal-noise-ratio.

系统采用了外差式纵向激光多普勒测量结构，利用1/2波片、1/4波片与偏振分光棱镜相结合及外差式参考光结构，有效地提高了多普勒信号的强度与信噪比。

The uncertainty principle of signal is proved according to the uncertainty principle of quantum mechanics, and is further interpreted by quantum mechanics. The signal can be considered as a kind of the quasi quantum system with wave-particle dualism. Because of the wave-particle dualism of the signal, time and frequency can not be measured at the same time.

根据量子力学的测不准原理，采用力学量算符的方法得到了信号在时频分析时的测不准原理，并对该原理进行量子诠释，认为信号在某种意义下可以看作是一个存在波粒二重性的类量子系统，正是由于信号的波粒二重性导致无法同时准确地测定信号的时间和频率。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。