mass selection短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 混合选择 The probability of losing elite genotypes in pedigree was larger than in mass selection. 优良基因型的丢失机率，系谱法高于混合法。 cnki Mass selection and genetic gainDivergent selection for growth in shell height was conducted in a cultured population. 这些结果表明对于虾夷扇贝养殖群体生长进行群体选择是有效的。 boshuo