随着研究技术变得更先进，实验中使用的动物数量可能会减少，但完全停止在动物身上实验还有很长的路要走。

As research techniques become more advanced, the number of animals used in experiments may decrease, but stopping testing on animals altogether is a long way away.

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在以间接方式使用电脑以减少碳排放方面还有巨大的空间。

There is a vast scope to use computers in indirect ways to reduce carbon emissions.

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这还有助于减少内存使用量，因为类型信息以本机机器表示法表示变量。

This also helps to reduce memory usage, since the type information represents variables in native machine representation.

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