secondary trends 中文意思是什麼
secondary trends
解釋
次要趨勢-
By studying the birds composition, quantity, species diversity and evenness, consumer biomass of community ; feeding niche, gathering and encountering probability of birds, we illustrate the characteristics of mountainous secondary forests wintering birds community in temperate zone in northeast china, and the changing trends and the relation with environments of birds community for 12 years fore - and - aft
通過對群落內鳥類組成及數量、種的多樣性和均勻性及消費生物量、鳥類的取食生態位，鳥類的集群及種間相遇幾率等方面的研究，基本闡明了溫帶環境中我國北方山地次生闊葉林冬季鳥類群落結構的特點，以及12年前後其鳥類群落結構的變化趨勢、與環境變化的關系等。 -
Meet top - notch wood market experts, as well as officials, at the sino - russia trade & investment conference, as they share and discuss the latest industry trends and strategies, effective profit - generating marketing channels about russia lumber and secondary wood products
他們將來自美國、芬蘭、瑞典、俄羅斯和中國，與大家分享最新的關于中俄木材貿易和投資的趨向、發展和政策的信息，並發布最具價值的俄羅斯投資開發項目。
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