Climate and land use are important factors in trace element distribution.
气候和土地利用是影响地下水中微量元素分布的主要原因。
Essential trace element is indispensable in maintaining body health.
必需微量元素在维持机体健康方面是不可或缺的。
Selenium is a trace element essential to human body.
硒是人体必需微量元素。
Returns a string representation of this stack trace element.
返回当前堆栈跟踪元素的字符串形式。
Selenium is a kind of necessary trace element to living beings.
硒是生物的一种必需微量元素，它与工农业生产及人类健康关系密切。
The regularity of random error of trace element analysis is discussed.
本文讨论了痕量元素分析中随机误差的规律性。
Selenium is a required nutrition trace element for human body and animal.
硒是人畜必需的营养性微量元素。
Recently it has been confirmed that boron is a super trace element for human.
近年来的研究表明，硼为人体必需的微量元素。
Iron is an indispensable trace element which is easily deficient in human body.
铁是人体必需的和易缺乏的微量元素。
The trace element has an important function for the growth of cultivated Rheum.
微量元素对于种植青海大黄的生长发育有着重要作用。
Objective To study on the relation between trace element in hair and hypertension.
目的探讨原发性高血压与头发中微量元素的关系。
The diagnostic table of trace element can be a good probe for biologic pharmacodynamics.
“微量元素特征谱”可以作为药物的“生物药效探针”，对中药的药效给予客观评价。
Trace element Zn is very important for the children's growth.
微量元素锌在儿童生长发育过程中有极其重要的意义。
Trace element Zn is very important for the children's growth.
微量元素锌在儿童生长发育过程中有极其重要的意义。
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