By explaining the cause and conseq usnee of many electromag netic induction experiments ,this essay provides aright Hand Cause Consequence Rule, makes the Ampere Rule, Left Hand Rule and Right Hand Rule into one system and points out the profoumd effect of this system.
本文从分析各种电磁现象的因果关系入手，提出了右手因果定则，从而将长期以来物理学课本中所介绍的左手定则、右手定则和安培定则统一为一条定则，并指出了统一后的意义。
In some theoretical articles, most study emphases are put on the relation between the right hand working and the timbre, but study of the influence of the left hand on the timbre in violin playing is very rare.
在过去的理论著作中 ,大多重视右手运弓与音质音色关系的研究 ,而关于左手对音质音色影响的研究涉及甚少。
Advances and characters of left-handed materials;
左手材料的性质及研究动态
