常見例句雙語例句The losses of crops such as potato and tobacco, were up to 80%, especially, the potato virus Y veinal necrosis strain(PVYN) often caused host plant early death and yield reduction.馬鈴薯 Y病毒（PVY）對馬鈴薯、煙草等重要經濟作物危害十分嚴重，其侵染所造成的損失可達80%，尤其是馬鈴薯 Y 病毒壞死株系（PVYN）可以造成寄主提前死亡而絕收。 返回 veinal necrosis virus