Phase conjugation of backward-and forward-wave produced by degenerate four-wave mixing using a nearly resonantly enhanced nonlinearity in four-level organic dye solutions was investigated.
研究了近共振增强的四能级系统有机染料溶液中简并的四波混频后向反射波及前向波的位相复共轭特性。
Caterpillars move by a wave that starts at the back end of their body and sweeps through each segment until it reaches the head, pushing it forward.
毛毛虫移动时的每一波都是从身体的后段开始，然后这个波穿过身体的每一部分，一直到达头部，进而将整个身体向前移动。
John Mitchell, an English physicist and astronomer, was inspired by it to put forward the first theories of wave motion in the earth.
约翰·米切尔，英国物理及天文学家，由此得到灵感并提出了第一个地球内部波动理论。
He suggests using electric motors or shape-memory materials to repeatedly flick the end of a flexible, wedge-shaped wing, creating a wave that ripples backwards and generates forward thrust.
他建议采用电动机或者有形状记忆功能的材料来反复击打软体契形翅膀的末端，让水产生向后的涟漪从而获得向前的推力。
When their predictions turn from cold snap to heat wave, say, it can play havoc with the forward price of gas.
当他们的预报从寒流变成暖流，可以说会使燃气远期价格陷入巨大的混乱之中。
you ride a wave, which is constantly tumbling, and perched on top of this continually disintegrating hill of water, you harness its turbulence into forward motion.
当你在一个风浪尖头之上的时候，随时都有跌落的危险，但是你要牢牢的抓住处在顶峰的机会，继续与风浪搏杀，最终你必将成功的驾驭风浪并将之转变为前进的动力。
We bring forward the conception of full Spectrum detector, which can detect full wave band of beginning flame and enhance greatly in the accuracy of the flame detecting.
我们提出全光谱探测器的概念，该探测器可以对初生火焰进行全波段的探测，从而火焰预警的准确度大大提高。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中，提出了梯度土介质的概念。
To bring forward relatively drillability conception to different drill bit style contemporary, and build they way to predict formation drillability by earthquake wave rate.
同时针对不同钻头类型提出地层相对可钻性的概念，并建立地震层速度预测地层可钻性的方法。
In forward modeling, the scatter and absorption of electromagnetic wave in medium are considered, which brings realer synthetic section.
在正演过程中，考虑了电磁波在介质中的散射和吸收，使合成剖面更真实化。
With the principle of 16qam, the text puts forward one scheme which adopts FPGA to realize the hardware circuit of 16qam taking shape FIR digital wave filter.
根据16qam的调制原理，提出一种采用现场可编程门阵列(FPGA)实现16 QAM成形的FIR数字滤波器硬件电路的方案。
In this paper, the phase conjugate nature of the nonlinear coupling forward wave has been demonstrated.
本文论证了非线性耦合前向波的位相复共轭特性。
I believe the new wave of positional VR hardware is another huge step forward, and it will take years before we know collectively how to use it in the best way.
我相信，有定位功能的虚拟游戏硬件设备将是引领我们前进的下一波巨浪，它将在我们系统了解如何以最好的方法使用它之前几年开始（研发及投入使用）。
We strive to move forward, while on the boat under wave of being pushed back to the past.
我们奋力前行，小舟逆水而上，不断地被浪潮推回到过去。
The tactical index of Super short Wave communication is put forward, based on which, the measure of reckoning each index is analyzed.
提出对抗超短波通信的战术指标，在此基础之上，定量分析了各指标的确定方法。
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.
本文采用多极坐标和复变函数方法针对半无限空间中P波在一衬砌周围的散射问题提出了一种近似求解分析方法。
The experiment research on the forward scattering of airborne radar transmitted wave with airscrews is presented in this paper.
本文就飞机螺旋桨对机载雷达发射波前向散射的实验研究情况作了介绍。
The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.
本文提出了一种用于分析环形超声波电动机定子振动固有频率的简便、有效的方法。
The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
This article describes WAVE file, put forward a method of data compression, gives basis and results of compression, results show this method is feasible.
描述了波形音频文件的格式，提出了一种压缩波形音频文件的方法，给出了压缩依据和压缩结果，最终的结果表明压缩方法是可行的。
Finite element method las been practically applied to the forward modeling of elastic wave. But its shortcomings, such as large storage needed and slow calculation, remain.
用有限元法做弹性波正演模型计算已进入实用阶段，但有限元法所要求的大存储量和计算速度慢的缺点依然存在。
By analyzing the reflectivity spectrum and reflection wave spectrum of thin beds, we put forward a new method for thickness determination of the thin beds.
作者通过研究地层厚度变化对地层本身的反射系数谱及反射波频谱的影响规律，寻找到了一种新的计算薄层厚度的方法。
On this condition, the paper put forward a new electric wave transmition model in the microcell , which based on ray tracing method of Virtual Fountain Tree.
在总结前人工作的基础上，本文提出了一种新的基于“虚拟源树”射线跟踪技术的微蜂窝小区的电波传播模型。
It's difficult to deal with seismic acoustic forward modeling and seismic inversion for the absence of shear wave data usually.
在测井资料中，通常缺乏的就是横波资料，这给地震波正演模拟和地震反演都带来很大的困难。
A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.
以双流体模型为基础，通过质量守恒方程和动量守恒方程的耦合，提出了液液两相系中弥散传质的连续波模型。
A diagnosis method of zero-value insulator based on electromagnetic wave detection is put forward, namely partial discharge detection method jointly using UHF and HF.
提出了一种基于电磁波检测的零值绝缘子诊断方法，即联合采用基于(特高频)uhf和(高频)HF的局放电流检测方法。
Finally, the dissertation brings forward the collectivity project of the negative pressure wave leak detecting system based on data transfer of wireless spread, spectrum network.
最后，结合课题提出了基于无线扩频网络数据传输的负压波法泄漏检测系统的总体方案。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
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