In this paper,we use the spherical surface triangle to study the sun circle daily turn around.
主要运用球面三角研究了太阳周日视运动规律,通过定量的角度得到了太阳周日运动的特征及其与纬度、季节变化之间的关系。
This study attempts to explore the efficiency of information transfer in China stock market by analysis of the trading and non trading time effect and the weekday effect.
通过对交易时间与非交易时间效应及周日效应的分析 ,对中国股票市场信息传递效率的问题展开实证研究 。
Diurnal dynamics of DOC and POC in two shrimp ponds were studied.
对两个海水养虾池溶解有机碳(DOC) 及颗粒有机碳(POC) 的周日动态进行了研究。