基本解释[经济学]生产力要素英汉例句双语例句Age is one important factor influencing of prolificacy, the TNB of first born is less than the TNB of the still-born, so does in the NBA.母猪年龄是影响多产性的一个重要因素，初产的总产仔数和产活仔数均低于经产胎次。the factor-prolificacy更多例句专业释义经济学生产力要素