复数： intensities

Remember to start slowly and build up intensity gradually .

记住要开始慢点然后逐渐增加锻炼的强度。

How can the faithful preserve this level of emotional intensity ?

这一信仰如何才能维持这种激情的强烈程度？

Intensity of a qualitative and quantitative criteria .

划分烈度有定性和定量标准。

Start with a very gentle touch and then build up the level of intensity .

可以先尝试从最轻的触摸开始，渐进式的慢慢加强力度。

The uv intensity was constant at 1.2 mw / cm2 .

在1.2mw/cm2的紫外线强度是不变的。