To view PSS from the aspect of organization, it is composed of learning objectives, preparing a lesson, in-class studying and evaluation feedback.
高中语文学案从其构成来看，主要分为：学习目标、预习、课堂学习和测评反馈四个部门。
The relationship between teachers and students teaching tactics in foreign language class in middle school, educational reform and teaching evaluation.
具体从师生关系、中学外语课堂教学策略、教学改革、教学评价四个方面进行论述；
By classifying the route firstly, then sorting route by cost in the same class, the route evaluation can be solved efficiently in the case of various mission constraints and part conflicts.
该方法采用先对航迹分类、同类间按代价排序的方法，有效地解决了在约束条件多、部分约束条件互相冲突情况下的航迹评价问题。
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