楊樹林 的英文怎麼說
中文拼音 [yángshùlīn]
楊樹林
英文
shulin yang-
Over the years a ragged secondgrowth of aspen and birch and speckled alder, at the far edge of the baseball diamond, has blotted out that view.
棒球場外圍伐過的樹林,多年以來又長出了參差不齊的白楊、白樺和滿身斑點的榿木,擋住了視野。A preliminary shudy on poplar - wheat intercropping patterns
楊樹人工林林麥間作研究初報I know thou art great and that its a sin to pray to thee about this, but for gods sake do make the old wolf come out upon me, and make karay fix his teeth in his throat and finish him before the eyes of uncle, who is looking this way. a thousand times over in that half - hour, with intent, strained, and uneasy eyes rostov scanned the thickets at the edge of the copse with two scraggy oaks standing up above the undergrowth of aspen, and the ravine with its overhanging bank, and uncles cap peering out from behind a bush on the right
我知道你很偉大,請求你做這件事真是罪過但是看在上帝份上,做一件好事,叫那隻大狼鉆到我面前來,叫卡拉伊當著向那邊觀察的大叔的面,拚命地咬住大狼的喉嚨。 」就在這半個鐘頭以內,羅斯托夫用那緊張而不安的逼視的目光千次地打量森林的邊緣,一些別種幼樹夾雜在山楊樹中間,上面聳立著兩顆稀疏的橡樹,他還注視著被雨水沖掉邊緣的溝壑以及右面那座灌木林后依稀可辨的大叔的皮帽。Fractal characteristics of tree crown of populus xiaozhuanica in shelterbelts
林帶小鉆楊樹冠的分維結構Evapotranspiration of medicago sativa l. under poplar shelterbelts in maowusu sandy area
毛烏素沙地楊樹防護林內紫花苜蓿蒸散耗水規律的研究Forests sometimes contain many tree species within a small area ( as in tropical rain and temperate deciduous forests ), or relatively few species over large areas ( e. g., taiga and arid montane coniferous forests )
作為普遍規則,受被子植物支配的森林(闊葉林)比那些受裸子植物支配的森林(松樹或針葉林)物種豐富,雖然有例外存在(例如,種類匱乏的白楊和樺樹生長在北緯度地區) 。Standing at the entrance of the valley, i found the scene in the valley was very different with the view on the way, at back of a house, there were so many luxuriant white poplars, flaxen leaves twinkling in the very tender xia te river, two collies were convoying three gooses and one duck passing by us at leisurely, i could feel they showed their scorn in their eyes
站在溝口看,溝內風光與沿途所見大為不同,房後面是茂密的楊樹林,淡黃色的葉子在柔柔的夏特河中閃著爍爍金光,兩只牧羊狗護送著三隻鵝和一隻鴨子從容的從我們身邊經過,我能感受到它們眼中不屑的目光。The cuttings of main poplar cultivars for fast growing and high yield plantation
楊樹速生豐產用材林主要栽培品種苗木Fine - root dynamics in mixed plantation of poplar and black locust
沙地楊樹刺槐混交林細根動態Through the stand investigation by setting up the sample site, the investigation results showed that the average dbh of 15 - year - old alniqhtllm fortunei planted under nature was 60 % larger than that of 17 - year - old pinus massoniana plantation under the same condition, the average tree height of the above was 38 % larger than that of the latter, the average single - tree volume of the above was 3. 2 times higher than that of the latter, the above showed the absolute dominance in stands
摘要設立標準地進行林分調查,在標準地中選取擬赤楊標準木進行樹干解析,採用生長對比方式分析擬赤楊在馬尾松人工林中的生長情況,調查結果表明,在同一環境條件下, 15年生天然下種的擬赤楊比17年生馬尾松人工林平均胸徑大60 % ,平均樹高高38 % ,平均單株材積大3 . 2倍,在林分中表現出絕對優勢。Afforest technology on highyield type shelter forest of poplar tree in tongliao area
通遼地區豐產型楊樹農田防護林營造技術Planting techniques of fast growing and high yield poplar stands in chaoyang areas
朝陽地區營造楊樹速生豐產林技術Characteristics of root growth in fast - growing and high - yield poplar plantations under subsurface drip irrigation
地下滴灌條件下楊樹速生豐產林林木根系生長特性Stem sap flow of poplar of shelter - belt on farmland in xu - huai plain
徐淮平原農田防護林帶楊樹樹干液流研究A study on principal felling age of poplar plantation on changjiang river beach
長江灘地楊樹人工林主伐年齡的研究The application of the trunk injecting formulation quot; zhangdekuai quot; to poplars, a demonstration at suzhou, anhui province
生物堿注干劑在宿州地區的楊樹林間試驗This paper summarized the studies on biomass production, biomass growth models, biomass measurement, biomass and forest density, as well as carbon storage of poplars in china in recent 20 years
摘要本文總結了中國近20年來有關楊樹生物量產量、生物量增長模型、生物量測定、生物量與林分密度,以及楊樹碳儲量方面的研究進展。In structural genomics, genetic maps have been constructed for up to 40 forest tree species, more than 30 commercially important qtls have been detected, comparative mapping has been done for a few of forest tree taxa, and whole genome sequencing was completed for populus and is under way for eucalyptus
結構基因組學方面,已構建了近40個主要造林樹種的遺傳連鎖圖譜,在不同樹種中定位了30餘個重要的數量性狀位點,在部分樹種中開展了基因組比較和綜合圖譜構建研究,楊樹的全基因組測序已經完成,桉樹的全基因組測序正在進行。Theories and technologies of ecologically regulating poplar longhorned beetle disaster in shelter forest
防護林楊樹天牛災害的生態調控理論與技術In this paper, three main tree species wood planted in our country, poplar, chinese fir and masson pine are chosen as the research materials. their wood surface identities, the forming process of the wood - plastics interface, and the relativity of the influence factors to the wood - plastics composite properties are studied
本文以我國人工林主要樹種楊樹、杉木和馬尾松木材為主要研究對象,從人工林木材的表面特性研究入手,探索木材與塑料復合界面的形成過程,研究木塑復合材料性能的主要影響因子。分享友人