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The detailed algorithm on analyzing cracks exploration inside blocks is: enriched approximations which describe singular crack tips fields and discontinuous crack faces are employed under the Partition of Unity theory; the enriched nodes surrounding crack tips or faces are respectively mapped with corresponding enriched degrees of freedom, and the solution of all these degrees of freedom is uniformly proceeded by the implicit iteration algorithm of DDA, then fracture and breakage of DDA blocks can be analyzed. The numeric examples show this algorithm is rational and efficient.

为此建立的无网格法裂纹扩展分析算法，采用满足单位分解条件的特殊增强型函数表达裂纹周围应力场的非连续、奇异特性，将对应的扩展自由度动态映射到裂纹周围的节点上，统一按DDA法隐式迭代方式求解，实现块体裂纹扩展和强度分析，相关算例结果显示该算法是合理有效的。

In the second part the pectoral fin motion model of 2 degrees and 3 degrees of freedom is constructed. Also we use Unsteady Vortex Lattice Method to analyze the hydrodynamic performance of the pectoral fin motion.

第二部分建立刚性胸鳍二自由度、三自由度的运动模型，并用非定常涡格法计算和分析了胸鳍的水动力性能。

Methods To take an axial view radiograph of patella with patient in sedentary position, the patients' hip joints were kept flexural with 90 degrees naturally and knees flexural between 30 to 80 degrees, then photos were taken by adjusting the angle and point of incidence of the central line.

取坐位投照髌骨，患者髋关节保持自然屈曲90°，屈膝角度范围30°～80°，然后调整中心线的入射角及入射点进行投照。

Approved by the Academic Degrees Committee under the State Council, there are 223 units granting master's degrees in 51 majors concerning the environment, 77 units granting doctorates in 39 majors, and several postdoctorate positions.

国务院学位委员会批准环境类51个专业、223个硕士学位授予单位，39个专业、77个博士学位授予单位和若干个博士后流动站。

Temperature, preferably 10 degrees and 25 degrees.

温度 最好在10度和25度之间。

Preheat oven to 350 degrees f (175 degrees c).

把微波炉预热到350华氏度（175摄氏度）。

Preheat oven to 400 degrees F (200 degrees C).

烤箱预热400 度 F (200 摄氏度)。

Preheat oven to 350 degrees F (177 degrees C) and place rack in center of oven.

预热烤箱到350华氏度（ 177摄氏度）和地点在机架中心烤箱。

Eg:Preheat oven to 350 degrees F (175 degrees C).

预热烤箱至350华氏度（175摄氏度）。

Preheat oven to 400 degrees F (205 degrees C) and place rack in center of oven.

预热烤箱至400华氏度（ 205摄氏度）和地点在机架中心烤箱。

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。