现在推理论证的材料是可能性和迹象，我们可以看到它们分别对应着一般为真的命题和必然为真的命题。
Now the materials of enthymemes are Probabilities and Signs, which we can see must correspond respectively with the propositions that are generally and those that are necessarily true.
本文结合“通过仪礼”的相关理论，引用大量的材料详细论证了门在传统婚礼中的三种文化内涵：祈求幸福平安、祈求生育和门户观念，揭示出与之相关的各个民俗现象背后的深层涵义。
This paper firstly demonstrates the three cultural connotations of the DOOR in the traditional wedding, these are:the concept of the family status; pray for safety and pray for procreate.
从几何光学理论证明了，在左手系材料（负折率材料）透镜中存在完善聚焦的概念。
The perfect focusing concept is proposed in lenses made of Left handed materials (or negative index materials) by means of geometrical optics.
从几何光学理论证明了，在左手系材料（负折率材料）透镜中存在完善聚焦的概念。
The perfect focusing concept is proposed in lenses made of Left handed materials (or negative index materials) by means of geometrical optics.
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