When a surface is perpendicular to the rays, their intensity is at its maximum.

当表面与射线垂直时，射线的强度最大。

《新英汉大辞典》

The maximum differences in temperature between neighboring urban and rural environments is called the heat-island intensity for that region.

城市周边和乡村环境之间的最大温差值叫做该地区的热岛效应强度。

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He does not recommend training to failure or maximum intensity every time you work out, as this will lead to overtraining, which could lead to injury and fatigue.

CNN: Should I always lift to muscle failure when weight training?

CrossFit is an intense strength and conditioning class that drives you to work at your maximum intensity for the minimum amount of time needed to get your workout for the day done.

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More than 39, 600 of those segments had sufficient information on their location, intensity, length, and width to be used in the analysis of tornado strike probabilities and maximum wind speeds.

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