The lead is a common non-ferrous metal element in the gold concentrate.
铅是金精矿中常见的有色金属元素。
The second part is the non-body element of keeping for others (holding).
第二部分研究侵占行为的非本体要素，即代为保管（持有）。
How to use binary search to find the first non-null element in an array?
如何使用二进制搜索来找到数组中第一个非空元素呢？
Fluorine is the special non-metal element in tea.
氟是茶中含有的特殊非金属元素。
At least one row must be in a non-body element.
必须至少有一行在非主体元素中。
At least one row must be in a non-body element.
必须至少有一行在非主体元素中。
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