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Two above methods are generalized to tensor product Bézier surfaces and triangular Bézier surfaces, we give two approaches of degree reduction for tensor product Bézier surfaces, each of which reduces a given degree n×m tensor product Bézier surface to a n〓×m��� one, and two methods of degree reduction for triangular Bézier surfaces, which reduce a given degree n triangular Bézier surface to a degree m one. The explicit formulas of control points for reduced tensor product and triangular Bézier surfaces are obtained respectively.

张量积Bézier曲面的两种降阶方法均可把n×m阶张量积Bézier曲面一次降阶为n〓×m〓阶张量积Bézier曲面；三角Bézier曲面的两种降阶方法均可把n阶三角Bézier曲面一次降阶为m阶三角Bézier曲面，并给出降阶张量积Bézier曲面和降阶三角Bézier曲面控制顶点的显示表示式。

Regular tessellation is formed by identical regular m-polygons for some fixed m . Find the sum of all

用相同的正 m 边形能密铺平面，求所有可能 m 值的总和。

Based on these simulation results ,specify the distance between the pads and the CPWis 150μm ,the number of the thermocouple is 50 ,the distance between the CPWand the thermo2pile is 50μm. GaAs and Au are chosen as arms of the thermopile ,and TaN as the terminal resistor.

根据这些模拟结果，传感器中接触垫与共面波导之间的渐进区长度设计为150μm ，热电偶的对数设计为50 对，热电堆与CPW之间的距离设计为50μm ，并选择了GaAs 和Au 作为热电偶的两臂，TaN 作终端电阻。

The calibration experiment with 4 cameras in a 9.6 m��6.4 m region and the error analysis shows that the total mean error is only 7.96 mm.

通过4部摄像机在长9.6 m，宽6.4 m的区域内进行的标定实验和误差分析表明，该方法的整体平均误差仅为7.96 mm。

However, the Izod impact strength of PHB can not be improved in this way. 6. Adding plasticized PPC, a good toughener for PHB, into PHB can change its fracture behavior from brittle to ductile, and increases the Izod impact strength from 36J/m for PHB to 307J/m for 70PHB/30PPC/20PGC.

增塑后的PPC是PHB的良好增韧剂，使PHB由脆性断裂转变为韧性断裂，最佳增韧效果可使PHB的抗冲击强度由36J/m增加到70PHB/30PPC/20PGC的307J/m，增加8倍。

Surface water was sampled at the three red tide stations during the Guinardia delicatula bloom in Jiaozhou Bay on February 9-10, 2004 and the colloidal substances were separated by filtration(0.7μm)and cross-flow ultrafiltration (1000 Daltons). The organic carbon in the filtrates and retentates were analyzed respectively. Heterosigma akashiwo and Skeletonema costatum were cultured in the 000Daltons ultrafiltrate and the retentates with different amount of colloidal substances (1000 Daltons-0.7μm).

2004年2月9~10日在胶州湾发生的柔弱几内亚藻赤潮期间分别在3个典型赤潮站位采集表层水样，利用过滤(0.7μm)和切向超滤(1000 Daltons)分离赤潮暴发水体中的胶体物质，分析了不同滤液及截留液的有机碳含量，并将赤潮异弯藻和中肋骨条藻在000 Daltons的超滤液及具有不同含量胶体物质(1000Daltons~0.7μm)的截留液中进行培养。

Surface water was sampled at the three red tide stations during the Guinardia delicatula bloom in Jiaozhou Bay on February 9th-10th,2004 and the colloidal substances were separated by filtration (0.7μm) and cross-flow ultrafiltration (1000 Daltons). The organic carbon in the filtrates and retentates were analyzed respectively. Heterosigma akashiwo and Skeletonema costatum were cultured in the 000Daltons ultrafiltrate and the retentates with different amount of colloidal substances (1000 Daltons-0.7μm).

2004年2月9~10日在胶州湾发生的柔弱几内亚藻赤潮期间分别在3个典型赤潮站位采集表层水样，利用过滤（0.7μm）和切向超滤（1000 Daltons）分离赤潮暴发水体中的胶体物质，分析了不同滤液及截留液的有机碳含量，并将赤潮异弯藻和中肋骨条藻在000 Daltons的超滤液及具有不同含量胶体物质（1000 Daltons~0.7μm）的截留液中进行培养。

For Si0.8Ge0.2 film in a window of 3μm��3μm,its strain is relaxed by only less than 4% after the sample is annealed at 950℃ for 30min,which is much less than the strain relaxation of the Si0.8Ge0.2 film grown on the unpatterned area on the same substrate under the same annealing condition.

在3μm×3μm窗口中共度生长的Si0.8Ge0.2/Si异质结构材料，在950℃高温退火30min后，它的应变弛豫不大于4%。远小于同一衬底上非微区生长材料的应变弛豫。

For the veneering with 0.3mm thick veneer over a graduated particleboard, the optimum processing conditions were a UF adhesive level at 78g/m~2 over the board, a PVAC adhesive level at 42g/m~2 over the veneers and 4.6 percent 36％ HCL ...

用0.3mm厚的水曲柳薄木对渐变结构刨花板饰面时，其最佳工艺条件为：脲醛树脂胶在刨花板上的涂胶量为78g/m~2，聚醋酸乙烯酯乳液在薄木上的涂胶量为42g/m~2，38％盐酸用量为聚醋酸乙烯酯乳液重量的4.6％。

A large mode area core erbium doped K9-glass single-mode photonic crystal fiber is designed by getting the pump and signal intensity profiles from plane wave expansion methodand solving propagation-rate equations.Its diameter is 20μm,limit ellipticity error is 94.7%,and limit offset of inner ventage is 0.1μm.Then we analyze its amplifier characteristics.

根据平面波展开法给出泵浦光和信号光本征模场分布，结合速率方程和功率传输方程设计一种大单模尺寸的实芯掺铒K9玻璃大模式面积单模光子晶体光纤，芯径为20μm；分析其椭圆度容差为94.7%，最内层小孔最大允许偏移量为0.1μm；分析了掺铒K9玻璃光子晶体光纤放大器的放大特性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。