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Then, the CTA data subtract unenhanced data section-by-section removing bone and brain tissue, just vascular structures remain visible.

然后用增强数据逐层减去平扫数据，自动去除骨与脑组织，只剩下血管影像。

If a phototypesetter is an intermittence type, the memory of controller is used only to buffer a section and the buffer of whole page lattice is unnecessary. If a phototypesetter is an uninterruption type, a section of lattice is only generated and buffered for every time and then be converted into black-white sectional information, whose information quantity is much less, by microprogram for buffering whole printed sheet. On scanning, the black-white sectional information is real-restored into lattice to output.

当照排机是&走走停停&类时，控制器的存储器只需缓冲一段，而不必缓冲整版点阵；当照排机是&不许停顿&类时，则用分段方法每次只生成一段点阵并缓冲，然后用微程序把这一段点阵转换成信息量少得多的黑白段信息作整版缓冲，扫描时在实时下把黑白段信息复原成点阵输出。

Baziling forked tunnel along Shanghai-Chengdu Expressway in construction is an unsymmetrically loaded tunnel. Construction process of forked tunnel is very complex because the forked tunnel includes twin-bore section and small clear spacing section. So, it's important for forked tunnel to adopt appropriate construction process.

正在施工的沪蓉西高速公路八字岭分岔隧道属于偏压隧道，而且分岔隧道包括连拱段和小净距段，施工过程转换复杂，因此，采用正确的施工方案对于隧道的稳定性非常重要。

Speaking of embarks CVT not to have the section speed change system's vehicles, smooth accelerates the performance from is the born that way special skill, but as a result of product localization difference, very abundant under compares with the Lancer 2.0 liters vehicle types, the dynamic output is livelier, especially around 2,000 rpm slow-speed of revolution territories, the vaccinoid response to be quite agile, therefore drives in the urban district road section is quite relaxed.

对于搭载CVT无段变速系统的车辆而言，顺畅的加速表现自是与生俱来的特长，不过由于产品定位的差异，酷博在与Lancer 2.0升车型相较下，动力输出更为活泼，尤其在2，000 rpm前后的中低转速域，加速反应相当敏捷，因此在市区路段驶来颇为轻松。

EAB attacked ash species in the Section Fraxinus and Section Meliodes of Subgen. Fraxinus, such as F. americana, F. pennsylvanica var. subintegerrima, F. velutina, F. nigra, and F. mandshurica. Contrary to reports in the early literature, EAB was rarely found infesting native species F.

Fraxinus欧梣组和象蜡树组的一些树木种类，如美国白蜡Fraxinus americana、洋白蜡F.pennsylvanica var subintegerrima、绒毛白蜡F.velutina、黑白蜡F.nigra和水曲柳F.mandshurica等。

Moreover, the theory overall looked that, still wasat the rough stage, first was its basic parameter determination alsomust depend upon many experiences algorithms and the empirical data, roller distance, roller diameter, Next is many technical phenomenalike spiral curved waste product, the noise, theslanting roller characteristic, the slanting roller rollershape characteristic, the distortion match characteristic andso on all lacks the theory elaboration; Is once more the theoryconcise quality is insufficient, set of formulas not only cannotinclude each kind of cross section molding, even cannot include thesimilar cross section but the size and the material quality differentwork piece, like the curved distance and so on all lacks the generalexpression with the curvature.

另外，就矫直理论的总体来看，仍然处于粗糙阶段，首先就是其基本参数的确定还要依靠许多经验算法和经验数据，如辊数、辊距、辊径、压弯量及矫直速度等；其次是许多技术现象如螺旋弯废品、矫直缩尺、矫直噪声、斜辊矫直特性、斜辊辊形特性、拉弯变形匹配特性等都缺乏理论阐述；再次是理论的概括性不够，一套公式不仅不能包括各种断面型材，甚至不能包括同类断面而尺寸和材质不同的工件，如弯距和矫直曲率等都缺少通用表达式。

Moreover, the theory overall looked that, still wasat the rough stage, first was its basic parameter determination alsomust depend upon many experiences algorithms and the empirical data, roller distance, roller diameter, Next is many technical phenomenalike spiral curved waste product, the noise, theslanting roller characteristic, the slanting roller rollershape characteristic, the distortion match characteristic andso on all lacks the theory elaboration; Is once more the theoryconcise quality is insufficient, set of formulas not only cannotinclude each kind of cross section molding, even cannot include thesimilar cross section but the size and the material quality differentwork piece, like the curved distance and so on all lacks the generalexpression_r with the curvature.

另外，就矫直理论的总体来看，仍然处于粗糙阶段，首先就是其基本参数的确定还要依靠许多经验算法和经验数据，如辊数、辊距、辊径、压弯量及矫直速度等；其次是许多技术现象如螺旋弯废品、矫直缩尺、矫直噪声、斜辊矫直特性、斜辊辊形特性、拉弯变形匹配特性等都缺乏理论阐述；再次是理论的概括性不够，一套公式不仅不能包括各种断面型材，甚至不能包括同类断面而尺寸和材质不同的工件，如弯距和矫直曲率等都缺少通用表达式。

This paper presents the method determining the reasonable WOB by the thrusting force analysis of the bearing section of transmission shaft section.

通过对传动轴止推轴承的受力分析，提出了合理钻压的确定方法。

The company has its own section wkrkshop ,such as: Sand-Blasting Workshop,Painting Workship,Engine Workshop etc.what's more,it has built Section Building Berth.

公司设立分段车间、喷沙车间、油漆车间、轮机车间，还建造了分段船台，这些都为我公司建造各种船舶打下扎实的基础。

The low section teaching is all education foundation, says regarding the age small low section student, raises its zetetic study ability appears is especially arduous, is urgent, below in view of own classroom instruction, discusses some experiences shallowly.

低段教学是一切jiaoyu教育的基础，对于年龄较小的低段学生来讲，培养其探究性学习的能力显得格外艰巨、紧迫，下面针对自己的课堂教学，浅谈一些体会。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。