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丫丫一米陽光

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麻煩哪位大神幫忙給翻譯一下，不勝感激喏，謝謝謝謝~~~~

利用2013年7-9月生長季觀測的21場降雨數(shù)據(jù)，對寒溫帶的落葉松、白樺、山楊和蒙古櫟4個典型樹種樹干莖流量特征及其影響因素進行了綜合分析，結(jié)果表明:（1）該地區(qū)大氣降雨分別為522.7、498.1mm，單次平均降雨量24.9、23.7mm，單次最大降雨102.3、96.1mm，單次最小降雨2.2、2.6mm，其中7月降雨量最大最大為258.1、240.6mm；（2）不同干擾程度的落葉松林穿透雨與降雨量呈二次函數(shù)關系，而樹干莖流量與降雨量的關系除山楊呈冪指數(shù)函數(shù)關系外，其他樹種均呈二次函數(shù)關系，穿透雨、樹干莖流量均隨著降雨量的增加而增加；（3）降雨量和樹種變化對4個樹種的樹干莖流量也會有很大的變化，不同樹種樹干莖流量的月際變化與降雨量月變化規(guī)律不太一致；（4）樹干莖流量與冠形結(jié)構(gòu)進行多元回歸分析，這些方程的復相關系數(shù)R2范圍為0.458~0.658，樹干莖流量與冠形結(jié)構(gòu)之間的關系不如樹干莖流量與降雨量之間的關系緊密。

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四季花開各不同，每個人都有，別人不懂的芬芳

1樓 2014-09-19 10:42:45

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wanfuping

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RXMCDM: 金幣+1, 多謝應助！ 2014-09-22 08:34:02
丫丫一米陽光(RXMCDM代發(fā)): 金幣+4, 多謝應助！ 2014-10-18 11:16:39

Based on rainfall data collected during growing season from July to September,2013, trunks flow characteristics of 4 typical tree species in cold temperate zone-larch, white birch, aspen and Mongolian oak, and corresponding influence factors were comprehensively analyzed in this paper. The results have shown that: (1) the atmospheric rainfall in this region is 522.7、498.1mm, single average rainfall 24.9、23.7mm, single maximum average rainfall 102.3、96.1mm, single minimum average rainfall 2.2、2.6mm, and the maximum rainfall in July is 258.1、240.6mm; (2) under different disturbing levels, the mathematic relation between penetrated rainfall and overall rainfall in larch forest is quadratic function, and mathematic relations between trunks flow and overall rainfall is quadratic function , as well for 3 kinds of forests besides aspen forest, where the same mathematic relation is power exponent function, and for all 4 cases, penetrated rainfall and trunks flow increase with increasing of overall rainfall; (3) the overall rainfall and change of tree species affect trunks flow of 4 kinds of trees greatly, and the change rules between month change of trunks flow and change of rainfall for 4 different tree species are different; (4)multivariate regression analysis is conducted for analyzing the relation between trunks flow and crown-shaped structure, and these functions’ multiple correlation coefficients are 0.458~0.658, and relation between trunks flow and crown-shaped structure is looser than one between trunks flow and overall rainfall.

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2樓2014-09-21 23:26:50