...大,PRRSV可与猪群共处稳态是公认的事实,这也为PRRSV对猪群感染率可高达90%,但是大多数感染猪场是稳定猪场(The stable farm)的现实所证实。可是霉菌毒素与猪体之间是无稳态可言的,有一份霉菌毒素就存在机体的一份损伤。
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The farm itself is like a microcosm of the country as a whole: a place where people work on the land, earn low but stable wages, and are largely respectful - and obedient - to those in authority.
农庄就是白俄罗斯的一个微型模型:国民靠土地生存,工资很低但稳定,国民受到尊重并且十分服从权威。
Let's see, Corel and Lotus have all but bought the farm in this arena and how many other companies did Microsoft put out of business when they bought rights to their current stable of software?
让我们看看,Corel和Lotus拥有和微软一样的办公套件但是死在了软件市场的竞技场中,又有多少其他的公司在为了当前软件的稳定而购买微软产品的使用权进而破产?
Yet farmers have responded to the new market signals by switching to less thirsty crops and kept the value of farm output stable. Water productivity has doubled.
不过农夫们因应这种新的市场标志,改种不那么吃水的作物,仍然维持著农田产出的价值稳定,水源生产力甚至翻了两倍。
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