这是通过“二次预训练”实现的，第一次预训练，我们让模型知道各个物体是什么；第二次预训练，我们通过“热力图”让模型重点关注操作对象，让模型学会分辨“什么才是当前任务最重要的东西”。
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，这一点在safew官方版本下载中也有详细论述
The new API makes you choose one of these four explicitly:
He thinks that the community was enclosed, living right next door to the cemetery, separated from the rest of society.
The EU Space Surveillance and Tracking centre (SST) said one fragment - believed to be the lander - "most likely" re-entered the atmosphere at about 06:16 GMT (07:16 BST) on Saturday.