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.
鹅卵石主要化学成分是二氧化硅，其次是少量的氧化铁和微量的锰、铜、铝、镁等元素及化合物。
The main chemical components of the pebbles are silica, followed by a small amount of iron oxide and manganese, copper, aluminum, magnesium and other elements and compounds.
油膜水滴是使用冷空气、微量可自然降解油剂和少量水经复合喷雾法形成的可自然分解的新型绿色切削液。
Cooled air, minimum botanic oils and little water were used to form new cutting fluids of oils on water (OoW) by means of combined mist-jet.
其中的主要矿物为磁铁矿、富镍金属和硫化物，另有少量磷酸盐、硅酸盐及微量的铂族金属。
They are composed of magnetite, Ni-rich metals and Fe-sulfides, with minor phosphate, silicate, and trace amounts of platinum-group element metals.
其中的主要矿物为磁铁矿、富镍金属和硫化物，另有少量磷酸盐、硅酸盐及微量的铂族金属。
They are composed of magnetite, Ni-rich metals and Fe-sulfides, with minor phosphate, silicate, and trace amounts of platinum-group element metals.
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