常見(jiàn)例句雙語(yǔ)例句The main factor which affect microfilarial periodicity is substances or compositions of saliva in host blood to be inject by feeding vector.認(rèn)爲(wèi)蚊媒唾涎中的某些物質(zhì)是刺激微絲蚴周期性的主要因素。 返回 periodicity factor