It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers.
矿石以低品位构造蚀变岩型为主，褐铁矿、铁矿是主要的载金矿物。
2
Saccharomycetes is a dominant kind of microbes in the process of puer tea fermentation, it is important factor to form quality and tyle of puer tea's sweet, slides, mellow.
酵母菌作为普洱茶发酵过程中的优势菌种，是形成普洱茶甘、滑、醇品质风格的重要因子。
3
Based on its operation principle, a relatively accurate analytical expression of the magnetic levitation force for an induction-tyle bearing-less motor is proposed in this paper.