题目内容
高速、移动是未来计算机网络的重要特征，可作为未来无线广域网络技术的是 (63) ，其下行、上行的数据率将分别达到 (64) 。
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下面是用来计算n的阶乘的递归函数，请将该函数的定义补充完整(注：阶乘的定义是n!=n*(n-1)*...*2*1)。unsigned fact(unsigned n) if (n ＜= 1) return 1; return 【14】 ;
在pH=10时，用EDTA滴定镁，终点时溶液由红色变为纯蓝色，这是铬黑T与金属离子形成的络合物的颜色。
When Tom left sch001．he did not really know what he wanted to do．He first worked in an office．but he found that it was boring．There was also the trouble with his second job in a carfactory. He then decided to work out of doors, and got a job as a gardener in a park. Now he works much harder than he did in the office or in the factory, because his work is more varied. He works the hardest in autumn and winter, keeping the park tidy and preparing forspring and summer. In summer he can relax and he can feel proud that he has helped to make thepark so beautiful. Many people visit the park and he is always pleased when he hears them sayhow lovely it looks. Where did Tom first work He first worked in______
在吸光光度分析中，为了提高分析的灵敏度，必须选择具有最小ε值的波长作为入射光。
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