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【单选题】
热固性塑料模压成型时对固化阶段的要求是在成型压力与温度下,保持一定时间,使高分子交联反应进行到要求的程度,塑件性能好,生产率高。为此,必须注意()。
A.
排气
B.
固化速度和固化程度
C.
固化程度的检测方法
D.
固化温度
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【简答题】实验五 4 .编写一个函数 int (int x, int y) 求两个的最大公约数。在主函数中任意输入两个 m 和 n ,调用 () 函数获取最大公约数并在主函数中输出。用于验证的 m 和 n 的值可以是 24 和 16 ,或 21 和 35 。 求最大公约数的算法有三种:( 1 )数学定义;( 2 )辗转相除法;( 3 )大数减小数直到相等。请编写三个版本的 ()...
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Professor Smith Scott didn' t work successfully enough to let me believe in him.
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Nonsense. It' s not your business.
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Nonsense. It, s not your business.
D.
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