Along with the increase of the zenith angle and height above ground of an optical transmitter, the extent of the time-averaging effect decreases.

Daily variations of UV B radiation are greatly controlled by the solar zenith angle ( SZA), ozone and the sky conditions.

云和太阳高度角控制着UV－B辐射通量日变化过程。

When the sun zenith angle is small, a less angular sampling interval in zenith angle is needed in the hot spot area.

而当太阳天顶角较小时，必须在热点方向附近减小角度采样间隔。

The results are as follows: ( 1) Solar incident angle, especially zenith angle can change the shape of BRDF.

具体研究结果如下：（1）太阳入射角度，特别是太阳天顶角能改变水体二向反射分布函数的形状。

G silicon carbide waterproof abrasive paper were made within the-15 °-55 ° of reflectance zenith angle.

G防水研磨金刚砂在反射天顶角-15°～55°范围进行了测试研究。

The results show that the detectable stellar magnitude limits linearly increase with observing height and solar zenith angle.

结果表明：可探测星等极限值随观测高度和太阳天顶角的增加接近线性增加；

Dependence of infrared emissivity on view zenith angle for natural ground surfaces

地面热红外发射率的天顶角变化效应

Some results of high energy cosmic ray, such as the zenith angle distribution, the decay length in the air, the energy spectrum and the vertical intensity of hadron and γ-ray have been presented.

由此给出了天顶角分布、大气中衰减长度、积分能谱和垂向流强等，为研究宇宙线超高能相互作用提供了信息。

As expected, the measured brightness temperatures change with view zenith angle, view azimuth angle, and the Sun position.

地面亮度温度的测量值随观测天顶角、方位角和太阳位置而改变。

She won't wear a hat even in winter in case her hair is squashed down by it.

即使在冬天她也不会戴帽子，她怕头发被帽子压瘪了。

London used to have dense fogs in winter.

伦敦过去在冬季常有浓雾。

This type of weather is apt to be more common in winter.

这种天气在冬季往往更为常见。

The lake freezes over in winter.

这个湖冬天全部封冻。

It can be quite cold here in winter.

这里的冬天有时还真够冷的。

Our house can be very cold in winter.

我们的房子到了冬天可能会非常冷。

These plants will add interest to your garden in winter.

这些植物在冬季会给你的花园增添胜景。

It's gonna be a long and cold winter.

据说今年冬天将会是欧洲有史以来最冷的一个。

As they have prepared sufficient food for the cold winter.

因为它们已为寒冷的冬天储备了充足的食物。

It will be a cold winter, this year of 1855.

今年&1855年的冬天将会很冷。

It was time to get ready for the long, cold winter.

是时候该为又长又冷的冬天做准备了。

It is another cold winter when the last year has past.

又过了一年，冰冷的冬天。