过去20多年的研究已经指出微量营养素的重要性—食物中发现的极少量的物质起着很大的作用。
Research over the past 20 years have pointed to the importance of micronutrients - substances found in small amounts in foods that make a big difference.
结果表明：采用异形研磨体——含少量耐磨耐腐蚀的微量元素超高铬柱（棒或段）球，对于粉磨坚固矿石具有显著的增产、节能、降耗的效果。
The results show that it will have obvious effect of increasing output , saving energy and reducing power consumption if superhigh chromium cylinder-ball mixing a small quantity of wearable-c.
德克萨斯A&M医学院神经解剖系主任吉姆斯“R”怀斯特博士说，少量的酒精所产生的影响也是微量的。
The effect of low levels of alcohol appears to be subtle, said Dr. James R. West, head of the department of anatomy and neurobiology at the Texas A&M medical school.
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