基本解释[数学]周期性因子周期因子英汉例句双语例句The main factor which affect microfilarial periodicity is substances or compositions of saliva in host blood to be inject by feeding vector.认为蚊媒唾涎中的某些物质是刺激微丝蚴周期性的主要因素。periodicity factor更多例句专业释义数学周期性因子周期因子