镓表现出的性质与门捷列夫对“铝下元素”的预测密切对应，为周期律提供了有力的支持。
The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.
镓表现出的性质与门捷列夫对“铝下元素”的预测密切对应，为周期律提供了有力的支持。
The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.
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