去年英国统计的约有3。2万多的实验在包括狗、猫、猴子等的动物身上实施，这是近90年代以来统计的最高的数据。

More than 3.2 million experiments on animals, including dogs, cats and monkeys, were carried out in UK last year - the highest total since the early 1990s.

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本文借助矩阵计算，严密论证了一类轮回杂交实验中基因型的多代遗传趋势。

In this paper, we have proved strictly the tendency for the inheritance of genotypes in multi—generation recurrent crossing by the matrix computation.

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