The invention relates to a vibrating sieve machine (3) with an out-of-balance drive (5), with drive frequency and drive force adjustable during operation.

本发明涉及一种包括一激振器（5）的振动筛选机，其中激振频率和激振力在操作过程中是可调的。

It is human society progress inside drive force and incorporeal place.

它是人类社会发展的内驱力和灵魂所在.