It seems to us that the problem of how to obtain the exact confidence limits for a binomial series system is still unsolved.
我们认为，求解二项串联系统可靠性经典方法的精确置信限问题至今仍然没有解决。
Second, we use Binomial Distribution Function to accomplish the control of difficulty proportion in Adaptive Item Bank System.
第三，采用二项分布函数完成自适应题库系统中难度比例的控制。
Second, we use Binomial Distribution Function to accomplish the control of difficulty proportion in Adaptive Item Bank System.
第三，采用二项分布函数完成自适应题库系统中难度比例的控制。
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