2) annual variation
周年变化
1.
Analyses indicate that although dominated by the seasonal reversing Indian monsoon,yet annual variation of the BOB surface circulation could be divided into three stages with distinctive patterns.
应用1993～2003年TOPEX/Poseidon卫星测高数据结合历史水文资料,反演了孟加拉湾海面动力地形的平均周年变化,探讨了孟加拉湾上层环流季节特征和演变规律。
2.
The study on annual variation of community structure of zooplankton (Copepoda, Cladocera, Rotifer) and the correlation between ecological factors and zooplankton was conducted in Lake Taihu in Jiangsu province from Oct.
本文研究了江苏太湖浮游动物(桡足类、枝角类、轮虫)群落结构的周年变化以及与生态因子的相关关系。
3.
The study on annual variation of community structure of zooplankton and the correlation between ecological factors and zooplankton was conducted in Yeyahu in Beiji.
本文研究了北京野鸭湖浮游动物群落结构的周年变化以及与生态因子的相互关系。
3) annual change
周年变化
1.
The animals were grouped by sex,size and month for length frequency analysis,annual changes rhythm on biological indexes and major traits of body shape were examined.
从2003年1月到2003年12月对浙江省象山港内嘉庚蛸的生物学指标进行了测量,共获取样品408头,分析了其基础生物学的周年变化规律和主要体型特征。
5) annual fluctuation
周年动态变化
1.
The annual fluctuation of chlorophyll a concentrations and some chemical indicators were measured in the main areas of West Lake, Hangzhou during January December 1999.
通过 1999年 1- 12月对杭州西湖主要湖区叶绿素a含量及水质理化指标的逐月测定 ,分析了西湖主要湖区叶绿素a含量周年动态变化特征及各种环境生态因子对叶绿素a的影响 ,并对湖水进行了藻类增长潜力试验 。
6) annual moisture variation
周年水分变化
补充资料：周年
1.满一年;一年。 2.特指死亡满一年的日子。 3.周代，周时。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条