9月14日韩国美国以及加拿大三国海军联合在半岛西部海域进行了军事演习，这3个国家所举办的军事演习无疑是对中国的一次威胁以及挑衅。要知道这3个国家对于中国一直都是以敌视的状态，但是他们本次的军事演习无疑也触怒
I have been using WCF for a few years now and am fairly comfortable with it, however there is one simple WCF concept that I have yet to employ and am having difficulties with it.
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