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1·Platinum is a powerfully radioactive trace element.

“铂”：非常有辐射力的微量元素。

2·For trace element analysis, storage of organic solvents.

用于痕量元素分析，存储有机溶剂。

3·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。

4·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。

5·Trace element Zn in 86 children was determined and investigated.

对86例儿童微量元素锌水平进行了调查研究。

6·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。

7·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。

8·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。

9·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。

10·Methods: Trace element zinc in serum was determined by the atom absorption spectrum method.

方法：用原子吸收光谱法测定银南地区儿童微量耳垂血血清微量元素锌。