Mary has great powers of resistance and will get well quickly. 瑪麗抗病力很強，很快就會(huì )康復的。
The disease might be induced by high density of piglets, had environment conditions, piglets with different day old and piglets introduced from different pig farms. 保持豬舍及周?chē)h(huán)境衛生，加強飼養管理工作，合理配比飼料，提高抗病力，是預防發(fā)病的主要措施。
Host resistance and fungal virulence parallel each other in the cross. 寄生的抗病性的病原菌的毒力在雜交中是勢均力敵的。
Some genes manifested resistance differentiation to specifically races. 某些基因對特定的生理小種表現出抗病性分化。
