Most of these methods are self-explanatory, but the concept of safe points may be new to you.

这些方法大多数都一目了然，但安全点对您可能是个新概念。

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As a result, the new feature after selection describes better the physical properties of the pattern points and the difference between safe points and dangerous points of earthquake occurrence.

结果表明，经选择后的新特征较好地描述了样本点的物理性质和发震危险点与安全点的差异。

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He points proudly at one of the screens, which shows that pollution in the city is better than the level considered to be safe by the World Health Organisation.

他非常骄傲地指着其中一个屏幕，屏幕上显示着在这个城市的污染水平比起世界健康组织界定的安全污染水平要好很多。

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War is unpredictable as Israel's Prime Minister Benjamin Netanyahu and Minister of Defense Ehud Barak seem to have forgotten from their safe vantage points.

CNN: STORY HIGHLIGHTS

Russia nearly made the points safe when Pavlyuchenko's dipping shot left the Wales crossbar quivering.

BBC: Wales 1-3 Russia

Garrett, on loan from Linfield, made the points safe in the final minute.

BBC: CHOOSE A SPORT