基本解释[经济学]小质量质点英汉例句双语例句However, a lighter, "warm" dark-matter particle would make only big clumps and therefore might explain the lack of galaxies at the low-mass end.然而,较轻的“温”暗物质粒子只会形成大型物质块,因此可以说明超出这个最低质量限度时就不存在星系。low-mass particle更多例句专业释义经济学小质量质点