我们的解决方法之一是通过“二次预训练”提高模型对重点操作对象的关注，可以提高数据使用效率，节省大量预训练数据。
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The FTSE 100 is sailing ever higher on a big wave of enthusiasm for London listed stocks. The blue-chip index has opened at fresh record levels. It’s been on a breathtaking run upwards, accelerating its surge higher since the start of the year, rising by more than 9%. Momentum appears to be on its side with the psychologically important 11,000 mark now in its sights. Its mining constituents have been benefitting for demand for metals in particular, as signs indicate that a commodities super-cycle is underway, with huge demand for metals and minerals needed to power the green revolution and build AI infrastructure. Geopolitical tensions and rising debt levels are keeping demand for safe precious metals intact, while defence contractors continue to benefit from the big uplift in spending on military capabilities.