Even-even Element 偶偶元素
odd-even element 奇偶元素
even-odd element 偶奇元素
even-A element 偶质量数元素
even-Z element 偶原子序数元素
element even-z 偶原子序数元素
element even-A 偶质量数元素
Mendeleyev was bolder than Meyer and even assumed that if a measured atomic mass put an element in the wrong place in the table, the atomic mass was wrong.
门捷列夫比迈耶更大胆,他甚至认为,如果测量到的原子质量在表中把一个元素对应于错误的位置,这个原子质量就是错误的。
Even where this competitive element is absent, however, the performance of difficult feats is agreeable.
即使在不存在竞争因素的情况下,表演高难的绝技也是件令人惬意的事情。
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