而太阳高度角较低时此值的变化，主要由仪器的余弦响应所引起。
The variation at the lower solar elevation is caused by the cosine response of the instrument.
研究表明对果树冠层光合影响最大的因子是太阳高度角和果树的冠层结构。
Research proved that the most important factors are the elevation Angle of the sun and the structure of canopy.
太阳高度角，太阳方位角，地理经度纬度，海拔高度，云量，大气透明度。
Solar altitude, Azimuth, Geography longitude, latitude, altitude, cloud coverage, atmospheric transparency.
云和冰地表云对太阳辐射的传输：用光学厚度，太阳高度角和地表反照率参数化。
Transmission of Solar Radiation by Clouds over Snow and Ice Surfaces: a Parameterization in Terms of Optical Depth, Solar Zenith Angle, and Surface Albedo.
显示了林窗边缘壁面的热力效应除与太阳高度角、太阳辐射的时间长短和强度有关之外，林窗边缘树木高度也是不可忽视的因子。
This indicates that, besides solar angle, time and intensity of radiation, the height of trees is also an important factor that influences thermal effects of vertical thermal active surface of edges.
系统直接计算出任意一点在给定时刻的太阳高度角、太阳方位角、太阳赤纬角、当天日照时间、全年日照时间以及年平均日照时间等。
System directly calculate any point at a given moment in the sun elevation Angle, solar azimuth, solar declination Angle, the day of sunshine, year round sunshine and average annual sunshine time.
系统直接计算出任意一点在给定时刻的太阳高度角、太阳方位角、太阳赤纬角、当天日照时间、全年日照时间以及年平均日照时间等。
System directly calculate any point at a given moment in the sun elevation Angle, solar azimuth, solar declination Angle, the day of sunshine, year round sunshine and average annual sunshine time.
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