2.A new kind of ferromagnetic collector type fiber-optic current sensor which combines a nubbly magneto-optic material with a ferromagnetic concentrator ring is designed in this paper.
设计了一种应用块状磁光材料与集磁环相结合的集磁式光纤电流传感器。
3.There are four kinds of products:powered,granular,nubbly and over-slender,which are widely used in the field of rubber,pesticide,paint,fodder,vinylite,adhesive and so on.
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，广泛应用于橡胶、农药、涂料、饲料、塑料、合成树脂、胶粘剂等行业。
