| 释义 |
trace element
基本英英词源例句Thesaurus
n.化痕量元素;微量元素
Noun:
an element that occurs at very small quantities in the body but is nonetheless important for many biological processestrace，微量，element，元素。 trace来自古法语tracier，寻找，追踪。来自通俗拉丁语*tractire，描绘，勾勒。来自拉丁语trahere，拉，拉出。来自原始印欧语*dhragh，拉，拉出，移动，词源同draw, tract。引申诸相关词义。 element来自拉丁语elementum，基础，基本。用作名词The regularity of random error oftrace elementanalysis is discussed.本文讨论了痕量元素分析中随机误差的规律性。
In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.为控制纯钨粉中杂质元素的指标，准确测定其中痕量元素砷和锡的含量十分必要。
Trace element mixes serve as insurances.微量元素只是作为一种保障措施。
Kelp is rich in vitamins and trace elements.大型褐藻富含维他命和微量元素。noun.minor element
同义词 microelement,micronutrient,minute amount,trace mineral |