AN UNBIASED VIEW OF CRYSTAL

27Local economists have seemed into their crystal balls and observed a thing somewhat terrible.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》①压电效�?在机械力(压力或拉�?作用下，水晶单晶体的两端会产生电荷，其电量相等但符号相反。在工业上，无色