查询词典 angular aperture

The experimental research results show: Synthetic aperture technique can improve the resolution of digital holography evidently.

结果表明，合成孔径技术是一种提高数字全息再现像的分辨率的有效方法。

The main objective of this dissertation was to develop methodologies with capability of engineering application for simulating flow in fractured rock using discontinuum models. The study work includes three parts. In the first part, numerical methodology of three-dimensional discrete fracture network model casing on hybrid BEM-channel was presented, and the technique for improve the model's computing efficiency was also studied. Firstly in this part, computer simulation methodology based on the Baechermodel for generating network of discrete fractures was presented, which includes the follow details: probability distributions of fracture density,orientation, trace length, size, and aperture and estimation of their statistical parameters; stochastic models of fracture network; Monte-Carlo's simulation method; numerical simulation procedure and technicality.

给出了离散裂隙网络模型所依据的基本假定；发展了基于Baecher模型的离散裂隙网络计算机随机生成技术：详细地推导了单裂隙渗流和多裂隙相交网络渗流的边界单元法公式，发展了离散裂隙网络中稳态渗流的边界元数值技术，并且讨论了相关的具体数值技术细节，如角点的处理方法，单元的自动剖分等：描述了混合边界元—管流模拟方法及其数值实现；研究了裂隙网络的简化方法，并针对裂隙网络边界元法的特点提出了一种改进的分块三角分解法。

Small aperture array ; wideband distortionless beamforming ; direction of arrival estimation ; multiple sources

小孔径基阵；宽带无失真波束形成；定向；多个声源

And the price of shoe of small hole bottom that is raw material with polyvinyl chloride is dog-cheap, but because density of raw material itself is big, although be after hair aperture very heavy still, and, the content sex such as function of its thermal stability, low temperature, resilience and skid resistance is poor.

而以聚氯乙烯为原料的微孔底鞋价格非常便宜，但由于原料本身密度大，即使在发孔后仍然很重，而且，其热稳定性、低温性能、回弹性及防滑性等物性差。

However, with the current breakthrough utilizing HAST (Hyper-amorphous silicon TFT) technology, Casio has managed to reduce the dot pitch (from typical 23um to 15.5um) while still able to maintain the perfect light aperture ratio.

然而，目前的突破，利用你技术，卡西欧已经设法减少点距（从典型23um到15.5um ），而仍然能够保持完美的光孔径比。

In this paper, a speckle reduction method for Synthetic Aperture Radar images based on Dual Tree Complex Wavelet Transform is proposed, for the DTCWT has approximate shift-invariant and good directional selectivity.

利用双树复数小波变换(Dud Tree Complex Wavelet Transform， DTCWT)的近似平移不变性和多方向选择性，提出了一种基于DTCWT变换的SAR图像嗓声抑制方法。

Then, by the aid of the self-made piezoelectric vibration table, experiments of vibration drilling were done on duralumin (2A12) and stainless steel (0Cr18Ni9), and the aperture size, surface topography and surface roughness were tested.

在此基础上，利用自制的压电式振动工作台进行了硬铝和不锈钢的轴向振动钻削实验，并对孔径大小、表面形貌和表面粗糙度进行了测量。

Anterior fontanelle On the elasmobranch neurocranium, an aperture on the anterodorsomedial surface, usually at the rear of the ethmoid region and forming a passage into the internal cranial cavity.

前囱门 在板鳃类脑颅上，在前背侧中间部位表面的一个孔洞，通常位於筛骨区域的后面并形成一个通道进入内颅腔。

This makes electroforming the preferred technique for high-density applications such as wafer bumping, where aperture counts are now more than 2 million.

电铸钢网的特性是一次形成的，因孔数对成本的影响不是那么大。

The Monte Carlo method is used to electronic distribution in electron cloud and electron diffraction. The distribution graphes of the electron cloud in atom and molecule are drawn and the phenomenon of the electron diffraction from a single slit or a small aperture is simulated vividly.

运用蒙特卡罗方法处理了电子云和电子衍射中非均匀电子的产生问题，形象的绘制了原子、分子中的电子云分布图形，生动的模拟了单缝电子衍射实验现象。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我