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- SELECTION NEW STRAINS OF DUROC 杜洛克猪新品系选育研究
- ?Selected new strains of Duroc by partial-closure selection on generation substitution. a base group was established in 1991. Each year 1 generation was selected, and so far 4 generation have been selected and tested. 杜洛克猪新品系采用不完全封闭的群体继代选育法选育，于1991年开始组建基础群，一年一个世代，至今已完成4个世代的测定与选择，各项性能指标已达到育种目标。
- New strains of viruses appear periodically. 新菌系的细菌周期性地产生。
- He created a new strain of sheep. 他培育出一个新的绵羊品种。
- Cloning may also bring about new strains of livestock. 克隆技术也能培育家畜的新品种。
- These new strains of seed lend themselves to the reformed cropping system. 这些新品种很适应这种改革了的种植制度。
- It is reported that the enemy has been breeding new strains of killer viruses. 据报道敌人正在培育新的杀人病毒。
- These new strains of kelp are better adapted to the higher temperatures of Chinese coastal waters. 这些新品种的海带较能适应中国海边较高的水温。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The IRRI is developing new strains of rice to meet rising demand and the challenges of climate change. IRRI正在研究新品种的稻米，以因应日渐增加的需求和地球暖化的挑战。
- Retroviruses are challenging to treat as they can rapidly alter (mutate) into new strains of virus. 逆转录病毒是具有挑战性的治疗，因为他们能迅速改变（突变）到新株病毒。
- In Belgium and the Netherlands, a virulent new strain of avian flu was wiping out entire chicken farms. 在比利时和荷兰,一种新的恶性的禽流感病毒株系席卷了所有的养鸡场。
- Any flu epidemic is worrisome, especially when a new strain of flu bug is involved. 任何流感大流行都令人不安，特别是当一种新型毒株介入的时候。
- Tzu Chi volunteers are donating Burmese farmers a new strain of seeds which take shorter time to harvest. 慈济志工捐给缅甸灾民稻种，让农民在短期内可以收成；
- The Overmind created a new strain of Zerg that could facilitate the communication of its whims. 猛犸对敌人的伤害可以破坏任何种族所建造的最坚强的壁垒。
- He broke under the strain of heavy work. 他在繁重工作的压力之下累坏了。
- "We had a new strain of flu.We did not really know that its lethality was going to be.We did not know how quickly it was going to move. 一些批评人士指责行政当局夸大这种流感的危险程度，没有必要让公众受到惊吓。
- A virulent new strain of salmonella, DT104, has been created in part through the food industry's feeding antibiotics to chickens and livestock. 一个沙门氏菌，DT104的恶性的新负担，已经被部分透过食品工业喂抗菌素给鸡和家畜建立。
- There's a strain of madness in the family. 那一家人都有点疯疯颠颠的。
