specabbr.细则；规格(=specification)abbr.投机（=speculation)abbr.特别；特别地（=special/specially)spectro-[医] 光谱

1. The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests.
   成品经过薄层层析和旋光测定等鉴定确定为木糖。