射线分析显示化合物1和2的晶体结构均由分子间氢键和-弱相互作用堆积而成的二维层状结构。
The X-ray analysis reveals that the crystal structures of compounds 1 and 2 are two-dimensional layer structures through intramolecular hydrogen bonding and -? stacking.
阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded.
论文第二章研究了等离子体中横向扰动下的(3 +1)维弱非线性离子声波，得到了描述离子声孤波的(3 + 1)维kp方程。
In chapter two, the (3 + 1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
数值研究了二维各向同性湍流与弱激波相互干扰的问题。
The interaction between a two-dimensional isotropic turbulence and a weak shock wave was numerically studied.
心电图波形特征提取是针对一维心电信号的弱信号特征提取。
The feature extraction of ECG waveform is a kind of weak signal characteristic extraction aiming at one dimension ECG signal.
二者之存在弱相互作用，这一作用将配合物联接成一维链状结构。
The complexes was linked by this interaction to form one-dimensional structure.
由于目的层反射弱、多次波发育，地震资料品质差，为此二次三维采集时选择了近似全三维的观测系统；
The quality of seismic data was poor because complex and special geological conditions make the reflectivity of the objective formations weak and multiples strong.
提到的算法是有效和可靠的一对弱纹理和标准件，分别给出精确的3 - D坐标与实际自然图像的三维重建。
The algorithm mentioned is valid and reliable by 3d reconstruction on a pair of actual natural images with weak texture and the standard piece with given precise 3-d coordinates, respectively.
结果表明，设置弱面的三维计算模型更符合工程实际。
The results indicate that 3D model with weak face more agrees with engineering practices.
传统的三维动画和视频因文件量大、交互性和动态性弱的缺点使网络教育不得不寻求新的媒体技术。
The disadvantages of traditional three-dimension animation and video, such as large file size, low-level interaction and non-real time, urge web-based education to find new way out.
对上游潜水和中下游承压水用二维侧向流数学模型，对中下游弱潜水用一维垂向流数学模型。
The middle lower reach is also subdivided vertically into weak phreatic aquifer in the upper part and strang confined aquifer in the lower.
基于二维阵列的三维成像在实现上具有阵元多、通道数多、系统复杂、回波信号弱等困难。
The main difficulties in implementing 3-d imaging by a 2-d array are the need for more elements and more channels, the system complexity and weak signals.
实现基于二维阵列的三维成像会遇到阵元多、通道数多、系统复杂、回波信号弱等困难。
More elements, more channels, system complexity and weak signal were the main difficulties in implementing 3D imaging by 2D array.
采用高压维弧和弱高频稳弧，同时具有恒流特性，不受电网电压波动的影响。
Apply high voltage pilot arc and high frequency stable arc with constant current properties, prevent influence from unstable voltage of power grid.
采用高压维弧和弱高频稳弧，同时具有恒流特性，不受电网电压波动的影响。
Apply high voltage pilot arc and high frequency stable arc with constant current properties, prevent influence from unstable voltage of power grid.
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