Because the interaction corss-section of neutrino is small,so it is not easily to be detected and understood.And some special proper t ies such as uncertain intrinsic parity,zero static mass and magnetic quadrture o r phenomenon are given.%由于中微子的作用截面很小而不容易被探测和认识，从而人们给予中微子一些独特的性质，如中微子没有确定的内禀宇称，没有静止质量和磁矩或存在所谓中微子振荡现象等.
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