At that time of year the winter solstice was coming, and the Sun was moving into a lower declination in the sky.
这是逐渐临近冬至的一段时间,太阳的赤纬也是不断地缩小。
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。
Sun J W, Yang Y, Huang Z A, et al. Reason for photosynthetic declination in rice from water stress induced by polyethylene glycol (PEG)[J]. Chinese J Rice Sci, 2004,18(6):539-543.
孙骏威,杨勇,黄宗安,等。聚乙二醇诱导水分胁迫引起水稻光合下降的原因探讨[J]。中国水稻科学,2004,18(6):539-543。
Sun J W, Yang Y, Huang Z A, et al. Reason for photosynthetic declination in rice from water stress induced by polyethylene glycol (PEG)[J]. Chinese J Rice Sci, 2004,18(6):539-543.
孙骏威,杨勇,黄宗安,等。聚乙二醇诱导水分胁迫引起水稻光合下降的原因探讨[J]。中国水稻科学,2004,18(6):539-543。
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