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OBJECTIVE: To establish an inducing system for differentiation of bone marrow mesenchymal stem cells into chondrecytes in two-dimensional culture in vivo, to analyze the best concentration of transforming growth favor beta-1 (TGF-β1) to induce the differentiation and the correlated influence factors for the directional differentiation, and to observe the changes of cell form and phenotype.

目的：建立二维培养条件下骨髓间充质干细胞分化为软骨细胞的诱导体系，分析转化生长因子β1作为诱导条件的最佳浓度，以及诱导骨髓间充质干细胞定向分化为软骨细胞的相关影响因素，观察细胞诱导后的细胞形态及表型变化。

OBJECTIVE: To establish an inducing system for differentiation of bone marrow mesenchymal stem cells into chondrecytes in two-dimensional culture in vivo, to analyze tbe best concentration of transforming growth favor beta-1 (TGF-β1) to induce tbe differentiation and the correlated influence factors for the directional differentiation, and to observe the changes of cell form and phenotype.

目的：建立二维培养条件下骨髓间充质干细胞分化为软骨细胞的诱导体系，分析转化生长因子β 1作为诱导条件的最佳浓度，以及诱导骨髓间充质干细胞定向分化为软骨细胞的相关影响因素，观察细胞诱导后的细胞形态及表型变化。

The central and local governmental disbursement governance\'s reasonable division is the standard intergovernmental fiscal relations foundation.

中央与地方政府间支出事权的合理划分是规范政府间财政关系的基础。

The intermediate value theorem for discontinuous function is studied,the problem of discontinuous points when the left and right limit exists is considered by ZHU Le-min.

研究了非连续函数的介值定理，受朱乐敏等考虑的具有左、右极限存在的跳跃间断点的非连续函数的介值性定理的启发，利用上、下极限把介值定理推广到具有一般间断点的非连续函数的情况。

Operation-coordination mainly studies material flow matching and optimization between supply chain members, and profit-coordnation mainly solves the incentive discrepance and profit contradiction between members by devising the new profit allocation mechanism.

供应链运作协调主要研究企业间物流和信息流的业务匹配及优化问题，而利益协调则通过设计新的利益再分配机制解决企业间的激励不一致和利益矛盾问题。

The time evolution of two-atom entanglement displays periodic entanglement and disentanglement when the coupling coefficient of Stark effect is much smaller, while the disentanglement will disappear when the coupling coefficient of Stark effect is much larger.

当 Stark 效应耦合系数很小时，两个原子间纠缠度的时间演化特性呈现周期性纠缠和退纠缠现象；当 Stark 效应耦合系数很大时，原子间退纠缠现象消失，即原子始终保持在纠缠状态。

In Taiwan, we face to regional resource competition and the disproportional development, the concept and analysis approach of the industrial cluster may provide government an efficiency idea and method to help us to think over the relation between industries within cluster, distribution of limit resource, and draw the regional industrial policy.

故在国内区域间资源竞争与不均发展情况下，产业群聚之观念与分析方法，可提供政府一个有效率之区域规划观念与方法来协助思考区域内产业间的关系、有限资源的分配以及区域产业政策的拟定。

No synarthrophysis, wound infection, implant disrupture, screw loose, patellar fracture or vascular nerve injury was observed in three groups of patients; There were 12 cases presenting anterior knee pain in the B-TP-B autograft group and 5 cases presenting posterior knee pain in the semitendinosus tendon graft group.

半腱肌腱重建组5例有不同程度的膝后痛。3组膝周痛发生率的组间差异有显著性意义(P=0)，自体骨-髌腱-骨组最高，半腱肌组次之，异体骨-髌腱-骨最低。3组术后发热时间组间比较发现，异体骨髌腱骨高于自体骨髌腱骨和自体半腱肌组(P=0)。

According to generalized modular design, finite element models of each function module are built in ANSYS, which belong to pre-tightening frame of 45 MN forging press. MPC banded contact is used to simulate the connection of two fixed parts, while standard contact is used to simulate the connection of two dissociable parts, Deformations and stresses of the forging press under two working conditions are discussed, which provide good guides to the design of such kind of press.

依据广义模块化设计原理，在ANSYS中分别建立了45MN锻压机预紧组合机架各个功能模块的有限元模型，采用MPC绑定接触模拟闭合模块间的连接，标准接触模拟可开裂模块间的连接，分别讨论了空载和临界载荷两种状态下机架的变形和应力分布，计算方法和计算结果为此类机架的分析、设计提供参考和指导。

An algorithm of searching and computing two adjacent polygons' closest distance based on restricted circle has been proposed in this paper, which can be fitted for the situations of undistinguished shapes and location relationships of the two adjacent polygons.

空间方向关系、空间拓扑关系和空间相似关系、相关关系的研究都离不开空间距离这个基础(闫浩文2003)。二维空间目标间的距离关系，尤其是面状目标间的距离，描述和计算都相当复杂[1-2]。

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。