查询词典 wave

In the regular wave tests at the same of slope bottom, the cut off frequency and the frequency of the maximum energy of infra-gravity wave are not changed for different initial wave steepness.

文中以相同相对水深之规则波试验去做比较，在频率方面，波浪尖锐度改变，其截断频率及亚重力波频率无太大的改变，而坡度改变，亚重力波频率会出现移至低频的现象。

Wave maker is the major equipment of wave simulating in the laboratory. Wave stimulating is very important to researches on ships, water conservancies, nautical construction, petroleum exploitation, etc.

波浪模拟对于船舶、水利、海上建筑、海上石油开采等诸多研究领域均具有重要的意义，造波机是实验室进行波浪模拟的主要设备。

In a contactless IC card that performs envelope detection on an ASK-modulated carrier wave and demodulates the carrier wave to recover data piggybacked thereon, demodulation is suspended during periods where there is no possibility of a change of a data value (from data 0 to data 1, or from data 1 to data 0) in the digital data piggybacked on the carrier wave.

一种非接触式IC卡，其作用是检波经ASK调制过的载波的包络线和对载波进行解调以恢复承载在载波上的数据。在这种非接触式IC卡中，在承载在载波上的数字数据的数据值不可能变化（从数据0变成数据1，或从数据1变成数据0）期间暂缓进行解调操作。

By introducing one of stratified ocean models: two layer ocean and multicolored wave mech- anism of second order water wave, the problems of diffracting effects caused by second order multicol- ored wave are analyzed.

引入二层海的层化海模型及二阶水波的多色波作用机制，对层化海条件下的二阶多色波的绕射作用问题进行了分析。

Refer to the impacting-echo technology, we impacted the apex of the steel bar and incepted the reflecting stress \\ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the timeof stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method.

借鉴于冲击回波技术，固结波速的测定方法是在钢筋测杆的出露端施加瞬态冲击载荷，由安设在测杆顶端的传感器接收反射应力波信号，根据应力波的走时和测杆的长度折算固结波速的大小，因此反射信号的识别是固结波速法检测混凝土强度的技术关键。

In Chapter Two, some methods such as electron microscope, DNA ending label and MTT measurement were used to studied the changes of apoptosis, necroses and cell vigour of leukaemia K562 cell trunk and HL-60 cell trunk irradiated with millimeter wave. Different effects of millimeter wave to leukaemia cell trunks and human marrow cells were observed clearly. Human marrow cells were not so sensitive to millimeter wave radiation as leukaemia cells.

第二章，利用电镜技术、DNA末端标记、MTT活力测定等方法，研究了毫米波对红白血病K562细胞株、人类急性早幼粒白血病细胞株HL-60及正常人骨髓单核细胞的细胞超微结构、细胞凋亡、细胞活力的影响，结果发现毫米波辐射对正常人骨髓细胞及白血病细胞的影响明显不同，正常人骨髓细胞所受影响较小，特别是功率密度小的毫米波对其无影响；而白血病细胞受辐射后发生显著的凋亡或坏死，细胞活力显著下降，该效应具有明显的功率窗和时间窗。

The problem is simplified as a circular lined tunnel in half-space. The series solutions for the scatting waves in half-space and lining under the actions of P wave and SV wave are derived by wave expansion method under the assumption of larger circular arc.

接着，在对地震积分位移时程漂移、模型边界条件、模型横向计算范围几个数值动力计算的基本问题进行研究的基础上，用FLAC3D软件详细分析了山岭隧道洞身段在不同埋深、地震强度、激振方向、围岩和衬砌刚度条件下的地震响应。

The parabolic equation can treat large angle incident waves and includes the wave energy loss with Bretchneider—Reid formula which has been verified by lots of indoor and field data, Its numerical model can simulate wave shoaling、refraction、small angle diffraction and bottom friction, and can be aplied to study the wave filed from open sea to shore area.

在抛物型缓坡方程波浪数学模型的建立过程中，采用适用于较大角度传播的基本方程，同时这一模型引入建立在较多实验和实测资料基础上的Bretchnei-der—Reid公式，较好地考虑了底摩损耗问题。该模型可同时考虑波浪的浅水变形、折射和小角度绕射，适用于大范围波浪场的推算。

In shoaling process, the main peak frequency of broken wave spectra moves to lower frequency. With decreasing relative water depth, both the ratios of wave spectral energy at twice and triple peak frequency to main peak frequency increase. and when the value of the nonlinear parameter increases, both the ratios increase, too. The Stokes third order wave theory has the same tend but overestimates the value quantitatively.

波浪浅化时，碎波后主频频率有往低频移动之现象，且波浪进入浅水区，相对水深减小，非线性参数Ursell number越大时，二倍主频及三倍主频与一倍主频能量比值均有增加之现象，与 Stokes三阶理论有相同之趋势，但实验之比值在定量上小於Stokes三阶理论值。

Regarding to the Mechanical wave on Physics teaching, the traditional method usually fail to offer a direct and clear description and demonstration on the effectiveness of Mechanical wave, for this reason the MathCAD software has been adopted, with the various functions the MathCAD software offers, such as calculation, function chart drawing and cartoon designing, men can describe and demonstrate exactly how the Mechanical wave transmits, intervenes and superposes, and define and research the Doppler effect.

物理学在处理机械波的教学过程中，传统方法读其现象的描绘和演示不直观也不方便，现利用MathCAD提供的强大数值计算、函数图像创建和快速灵活的动画设计功能对机械波的传播、干涉和迭加进行了精确描述和动画演示，并对阻尼

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷