卷

Computer simulation studies were carried out to compare the DR algorithm with the two popular algorithms: the time-domain reconstruction and the filtered back projection.

通过计算机仿真实验比较反卷积重建法和当前流行的时域重建法与滤波反投影法的性能。

Key words: windows function; image reconstruction; convention back projection; fan beam scan model

通过实验，验证了基于窗函数的卷积反投影图像重建算法可以有效地提高重建图像的质量。

This software package is of the following capabilities: top view display, line plot, net plot, surface plot, section analysis, background plane reduction, zoom, 1-D or 2-D Fourier transformation, power density analysis, restoration of STM images, smoothing, low pass or high pass filter, BMP file output, printing images etc.

STM图象是三维数字图象，考虑到其它自制仪器的需要，编写了通用三维图象处理软件，其中包括：黑白灰度、伪彩色顶视图显示，三维线形图、网格图显示，真三维立体图显示，剖面线分析，背景平面扣除和斜面校正，灰度直方图平坦化，卷积滤波边缘增强，选区放大和插值处理，一维、二维Fourier变换，功率谱分析，STM图象复原，噪声扣除和STM图象格式文件输出，打印等。

Oval leathery leaves. Backscrolling margins. 10-20cm leaves, strongly resistant to cold.

叶卵状长椭圆形，叶革质，边缘微反卷，叶长10—20厘米，耐寒性稍强。

He packed up and left, bag and baggage.

他卷走了全部的财物。

Some ideas: your own "trail" mix of dried fruit and nuts or sunflower seeds, whole-grain pretzels and low-fat cheese, or a bagful of baby carrots and yogurt dip.

提供一些好主意：就是混合一些干果和坚果或葵花籽，全麦椒盐卷饼和低脂奶酪，或许多小胡萝卜和酸奶，然后用面包蘸来吃。

Conquest series is the high-end Japanese version of Calcutta TE reels, and assumes the highest line of Shimano round bait casting reels. In the off-set gear box are advanced oversized gear systems, providing the smoothest ever retrieving.

西马诺Calcutta Conquest系列，是日版Calcutta TE的顶级增容版，被厂家定调为西马诺鼓式卷线器中的极品，内置精密的配件和装置，确保该系列产品的高效工作表现。

D: Let me examine your abdomen. Lie down on your bak and bend your knees up please.

让我检查一下您的肚子，请仰躺，把腿卷起来。

"We also have amazing baked beans and cole slaw," Hughes said.

"我们的烤豆和油菜卷心色拉都很不错，"休斯说，只有吃完整份套餐后才能充分感受到我们做的菜的美味。

Company's main products are rolling machine、Hydraulic pressure baler 、Molding bending machine、Pipe bending machine,as well as other hydraulic machinery equipment, in addition, the company may also have custom-made each kind of mechanical device according to the customer different demand!

公司主要产品有卷板机多种类型），液压打包机，型材弯曲机，弯管机，以及其它一些液压机械设备，此外，公司也可以根据客户的不同需求定制各类机械设备！

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。