高偏离率可能是一个问题，因为被误导的鱼可能会与现有种群杂交，而这种杂交的程度会稀释现有的任何当地适应能力。
High rates of straying can be problematic because misdirected fish may interbreed with the existing stock to such a degree that any local adaptations that are present become diluted.
这些研究成果对于碳纳米管的商业应用来说是个很好的消息——目前主要受制于相对现有材料来说高很多的成本。
The finding is good news for all commercial applications of carbon nanotubes, which are currently held back by substantially higher costs relative to existing materials.
Meritage Homes总裁史蒂夫·希尔顿将其房产价格降低到至多比现有同类房屋高15%，以应对取消抵押品赎回权的大潮。
Steve Hilton, the boss of Meritage Homes, is keeping the price of his houses down to at most 15% more than comparable existing ones to compete with the flood of foreclosures.
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