If you are interested in learning more about active patterns please see this blog post from Don Syme, which includes a link to a paper which gives more details about the active pattern design.
如果你有兴趣学习更多关于活动模式的知识，可以看看Don Syme写的这些博客文章，其中包括了一个论文的连接，这个论文提供了关于活动模式设计的更多细节。
For more information, please see this forum post.
想了解更多信息请看这里。
Please see this "test" post of friends back me, and I tested deduct money situation.
请看见这个测试帖的朋友在下面回复我，我测试下扣币情况。
I would like to pay such a foreign friend, he (she) would like to learn Chinese, I want to learn English, Wolia complementary and hope our foreign friends to see this post please reply.
我想交一个这样的外国朋友，他(她)想学中文，我想学英文，我俩互补，希望外国朋友看到这个帖子请回复。
Quaere that what does the other copper fitting on this scabbard look, and please post the pics and see whether it matches well or not.
请问这剑的鞘上的其他铜装具该是什么样子，请方家贴图上来看能否相配。
Quaere that what does the other copper fitting on this scabbard look, and please post the pics and see whether it matches well or not.
请问这剑的鞘上的其他铜装具该是什么样子，请方家贴图上来看能否相配。
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