Intelligence level短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 智力水平 Methods Intelligence quotient IQ values were measured by the combined Raven's Test and factors of social- economic- culture on children's intelligence level were analysed. 方法用联合型瑞文测验测定全民食盐加碘出生的儿童智商 IQ ，同时分析社会-经济-文化因素对智力发育影响。 cnki