他还做了实验，验证在经受了定期但短暂的高温曝露训练之后，珊瑚是否能够承受更长时间的高温曝晒。
He has performed experiments to see whether those regular, but brief, exposures to temperature stress have "cross-trained" the corals to withstand high temperatures for even longer periods.
不再要求这些国家向世卫组织定期提交经实验室确认的逐一病例和死亡病例的情况。
Those countries are no longer required to submit regular reports of individual laboratory-confirmed cases to WHO.
在本例中，在特定Wikipedia sandbox页面上执行编辑操作，这主要用于实验和测试，会定期进行自动清理。
In this case, the edit is being performed on the special Wikipedia sandbox page, which is intended specifically for experimentation and testing and is automatically cleared at regular intervals.
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