Interestingly, while the scientists found a lot of similarities, they also found many differences in the methods and the types of genes that are being regulated in humans.

令人感兴趣的是，在科学家发现大量的相似点的同时，他们也发现了在人类中受到调控的基因方式与基因类型的许多不同点。

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So Mitchell (2001) thought, which is why he decided to compare how people talk to infants with how they talk to dogs. He found both similarities and differences

那就是为什么米歇尔决定去比较人们和婴儿和人们与狗讲话的时候有何不同。

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The contrast method of simulated accelerated test and sample test has been used to investigate contacting surface strength of gears and both similarities and differences have been found between them.

用模拟快速试验与实际试件试验的对比方法，对齿面接触强度进行了研究，表明两者之间有异同之处。

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