在这种时刻，我们很开心，因为我们还有《问题解决说明书》和常见问题答疑。
It's at those moments we are glad there are trouble-shooting instructions or FAQ pages provided.
它分为：在线学习、作业提交、课程实验、问题答疑、例题解析、试题样卷、在线通知等块。
It is divided into: on-line learning, submitted to the operation, the experimental course, answer the question, to resolve example, the test sample volumes, such as on-line to inform the block.
本文在超文本学习状态空间中引入逆连接，从而在超文本状态空间的数学模型框架中，引入虚拟答疑概念，并给出一个问题答疑算法。
We define inverse links in hypertext learning state space and define virtual teacher concept. Then we get a seeking answer method in hypertext learning state space.
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