A practical method of measuring microwave resonator unloaded Q-factor is presented, which could eliminate phase shift of feed line when Q-factor is estimated by critical-points method.
提出了一种实用的测量微波谐振器无载品质因素的方法，在临界点法的基础上，消除了馈线引入的相移。
The first observation is we cannot use our usual method of looking for critical points of f.
好，在这种情况下我们首先发现,之前用来找极值的方法都不可用。
Secondly, the method of block-match is used to track the critical feature points.
用块匹配法跟踪了特征区域的关键点；
This method not only keep the curve through the critical points but also with the shortest perpendicular distance, thus restore the critical points.
它满足了一个特殊的要求，即曲线通过全部节点且到弦的垂直距离最短。
In the method the critical sliding surface is found by thinking about the stress moving of damaged points according to strain and stress that is computed by finite-element method.
该方法利用有限元方法计算土体单元的应力应变，根据破坏单元直接确定临界滑裂面。
The conclusion points out that it is proper to use the system engineering method to study the MPD technology, and each part in this frame is critical to the success of the MPD system.
结论认为：应以系统工程的方法对控压钻井技术进行研究，并且框架内的任一部分都关乎整个系统能否成功应用。
During the implementation of the model teaching method, the critical points are choosing the correct examples and their development.
在中学地理课堂实施范例教学，范例的选择和开发是关键。
During the implementation of the model teaching method, the critical points are choosing the correct examples and their development.
在中学地理课堂实施范例教学，范例的选择和开发是关键。
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