Researchers at the Technical University of Munich (TUM) have been looking into the particulars of beer chemistry for a number of years.
慕尼黑工业大学（TUM）的研究人员已经对啤酒化学的细节进行了多年的研究。
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Over these years, one conclusion has become increasingly clear: the more hard focus you dedicate to a technical subject - be it computer science, chemistry, or physics - the better you get.
Chemistry in country middle school is poor of all course resource, which is lack of qualified laboratory technical staff, sufficient laboratories, laboratory instrument and chemical reagents.