dietary calcium 基本例句 膳食钙 There were no obvious differences in calcium and phosphorus concentrations in bone and serum among the six groups. The fecal calcium excreted rose with the increase of dietary calcium level. 从统计学角度考察，骨钙、骨磷和血清钙、磷在各处理组并无明显差异，粪钙检测结果表明排出体外的粪钙量随钙水平的升高而增加。 cnki