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First, this thesis introduces basic theory of CBR , and studies many aspects of typical part design case , such as case representation, case retrieval, retain etc. Second, regards design code as case code in order to integrate the case with geometrical and non- geometrical information, and realizes the parametric modifying function for 3D solid model in the condition of Pro/E. Third, for the purpose of making true of system's aided design requirement, this thesis brings forward to create part design knowledge base with AI language CLIPS, and integrates the rule based KB into the system; finally, collects and summarizes the knowledge of shaft,gear,sleave, and a sample with ladder—shaft is shown in order to verify the correction of theory research.

首先，本文介绍CBR技术的基础理论，并重点研究典型零件案例的表示、检索、修改等功能；其次，以零件设计编号为案例编号实现对案例的几何与非几何信息的集成，并实现了三维实体模型在Pro／E环境下的参数化修改功能；再次，从系统辅助设计功能要求出发，提出将基于规则的知识库嵌入到系统内部，用人工智能语言CLIPS建立零件设计知识库；最后，对轴类、齿轮类、盘套类零件案例知识进行收集、总结，并通过阶梯轴设计实例验证了理论研究的正确性。

Some characteristics of the novel gene YH1 was explored by bioinformatics. The YH1 gene was mapped on the chromosome 20 with the size of 7. 5 kb or so by blasting to genome database and this fragment size for YH1 gene coincided with the result of Souther blot. There were nine exon and eight intron.

利用生物信息学方法，在基因组数据库中比较，发现YH1基因存在于一个定位在20号染色体上7.293kb的DNA序列中，这与Southern blot结果相符。9个外显子被8个内含子隔开。

An 8 KB static RAM is adopted so that the acquisition speed of the SSPA video signal exceeds 1 MHz.

该系统带有帧存储RAM，对SSPA的视频信号采集速度可达1 MHz以上。

The privilege element will prevent users without the ability to read, write and create KB Articles from seeing the subarea.

特权的元素素将防止没有能力读，写和建立权限的用户看到的分区。

Compared with sevoflurane, propofol administrationduring suprarenal aortic clamping and unclamping led to modulationof markers of inflammation and decreased NF B expression.

与七氟醚相比，丙泊酚在嵌夹肾上主动脉期间可调节炎症因子并降低 NF-KB 的表达。

Methods Antibiotic susceptivity test was done by KirbyBauer method.The result was analyzed by WHONET5 software.

药敏试验采用KB纸片扩散法，用WHONET5软件进行统计学分析。

D Average size of the process's unshared data area, in Kbytes.

程序的独立数据空间的平均占用量，单位KB

P (Not in tcsh.) Average size of the process's unshared stack space, in Kbytes.

程序的独立数据空间的平均占用量，单位KB

For instance, a bitmap representation of an entire 640-by-480-pixel, 16-color Video Graphics Array screen requires more than 150 KB; a 1024-by-768 image with 24 bits per pixel requires more than 2 MB. Metafiles usually require much less storage space than bitmaps.

对于位图而言它占用空间的大小取决于图象的大小和颜色数量（也就是分辨率和像素位数4S）。

Fluorescent instruments.the colonies of the specimens yielding growth were identified by the vitek32 instruments and kb method was used for the drug sensitivity tests.results three hundred and thirtyone bacteria strains were isolated from a total of 3104 blood culture specimens,with a positive rate of 10.7%.of the identified bacteria,g+ cocci accounted for 50.3%,g-bacilli accounted for 44.7%,fungi accounted for 3.0%,and anaerobian accounted for 1.1%.the susceptibility rates of g-bacilli to imipenem,amikacin and cefoperazone/sulbactam were high.the susceptibility rate of g+ cocci to vancomycin and imipenem were also high.conclusion g+ cocci prevail over g-bacilli in the blood specimens.the staphylococci are the chief bacteria in the childrens blood specimens.both g+ cocci and g-bacilli are sensitive to imipenem.

结果 在3 104份血液培养标本中分离出病原菌331株，阳性检出率为10.7%。病原菌以革兰阳性需氧球菌居首位（50.3%），革兰阴性需氧杆菌次之（44.7%），真菌占3.0%，厌氧菌占1.1%。血液培养中的g+球菌对万古霉素和亚胺培南较为敏感，g-杆菌对亚胺培南、舒普深、丁胺卡那较为敏感。结论血液培养病原菌以g+球菌为主，g-杆菌次之；儿童血液培养病原菌以葡萄球菌属为主；亚胺培南对g+球菌和g-杆菌均具有较高的敏感率。

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。