gross variation 中文意思是什麼
gross variation
解釋
總變化-
The main results are summarized as follow : 1. gross morphology on the basis of field observation and examimation of herbarium specimens, the variation pattern of all the major gross - morphology characters in machilus from zhejiang was studied, and their taxonomic significance was evaluated. the results show that the most reliable characters for the delimitation of species are the features of the leaf, the tepal and the fruits. the secondly important characters are the length and position of the florescence
形態性狀分析分析結果表明：潤楠屬植物的分類性狀主要有小枝、葉片、花序、花被片、果實等特徵特性，其中花被片、葉片、果實是潤楠屬的重要分類性狀；花序的長度及著生位置也是區分潤楠屬種間的重要標志之一；小枝的毛被在分類上具有第三位的重要性。 -
In views of hebei province ' s existing situation of rural economy, and with reference to the civil and abroad achievements in scientific research on the field, this thesis choose two sample groups - 11 cities and 138 counties of hebei province in light of division into districts and analyses the rural economy difference of hebei by using total and mean index, the social product gross of rural, rural labor productivity, the mean net income of rural, and methods of variation coefficient, comprehensive index and so on.
針對河北省農村經濟發展的現狀，本文借鑒國內外區域經濟差異的有關研究成果，以現行行政區域為基礎，通過截取河北省11個地市和138個縣（市）兩組不同的樣本，選取總量指標農村社會總產值，人均指標農村人均社會總產值、農村勞動生產率、農民人均純收入，運用變異系數、綜合指數等方法對河北省農村經濟的差異進行分析。
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