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1、产品分级(Productgraduation)无公害银可分级主要按其外观、规格大小分级同表1给出Thenon-environmentaldamagesilvermaygrademainlyaccordingtoitsoutwardappearance,specificationsizegradingsametable1gives等级(Rank)一级(First-level)二级(Second-level)三级(Third-level)每千克粒数Eachkilogramnumberofseeds360粒以下below360grains360—440粒以下below360-440grains440粒以上above440grains(银杏果)