然而，到了第12天，当它们长到3厘米长时，就会有成百上千微小的卵在雌蛙的身体下部形成。
By the twelfth day, however, when they are about 3 centimetre long, hundreds of tiny eggs form on the underbodies of the females.
第1、4代经卵带毒虫还能分别引起早、晚稻再次侵染。
The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection.
这两只雌鸟会各自产下一枚受过精的卵，并且随机扔掉一枚（《生物通讯》，第4卷，第323页）。
Both females will have laid a fertilised egg and randomly shunted one aside (Biology Letters, vol 4, p 323).
第1、4代经卵带毒虫，还能分别引起早、晚稻再次侵染。以早栽双季晚稻和杂交晚稻发病最重，其主要感染期是在本田初期。
The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection on early and late rice respectively.
研究结果表明，在感染后的第1天，中华卵索线虫的侵入引起酚氧化酶活性的增加，感染组酶活性是同期对照组的1.12倍；
The results showed that on the first day of infection, the phenoloxidase activity of the infected group increased, which was 1.12 times that of the control group;
研究结果表明，在感染后的第1天，中华卵索线虫的侵入引起酚氧化酶活性的增加，感染组酶活性是同期对照组的1.12倍；
The results showed that on the first day of infection, the phenoloxidase activity of the infected group increased, which was 1.12 times that of the control group;
应用推荐