林木引種 的英文怎麼說
中文拼音 [līnmùyǐnzhǒng]
林木引種
英文
introduction of exotic forest trees- 林 : 名詞1 (成片的樹木或竹子) forest; woods; grove 2 (聚集在一起的同類的人或事物) circles; group 3...
- 木 : Ⅰ名詞1 (樹木) tree 2 (木頭) timber; wood 3 (棺材) coffin 4 (姓氏) a surname Ⅱ形容詞1 (木...
- 引 : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
- 種 : 種名詞(姓氏) a surname
- 林木 : 1. (樹林) forest; woods 2. (生長在森林中的樹木) forest tree; crop; sylva
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As a missionary his father traveled extensively, and thus steven grew to love the adventure that traveling brought. well, one of the places he d always wanted to travel to was a place called timbuktu. steven, like most of us, had heard the name used in conversation form time to time, but he was shocked when he discovered that there really was a place called timbuktu in africa
忍耐是一回事,但要坐在那兒等候,知道種植樹木需時,沒甚麼方法能叫它快快生長,堅持是另一回事,堅持是殷勤作一件事,並努力使它成就,讓我讀出林卡爾的另一句引言,是邱吉爾所說的:Forest, artificial forest, introduction and breeding of trees in
人工造林和樹木引種馴化The results shows that the community richness, species diversity indices and evenness of tree layer and shrub layer share the same order, of which is higher in pure limestone region than that of in pure dolomite region, but it reverse in herb layer ; the coefficient of similarity is considerably low between all plots, while species turnover rate is quite high among the plots and is higher in dolomite region than that of in limestone ; in different karst regions, karst processing leads to niches diversity characterized by special morphologies and special element geochamical features, and therefore affect the dynamic and features of plant communities
我們在最有代表性之一的貴州茂蘭喀斯特森林保護區選取純灰巖和純白雲巖兩種巖性的喀斯特環境,對其元素地球化學特徵及其中原生性植物群落的相異性和物種多樣性進行了對比,結果發現:不同巖性區域多樣性:喬木層和灌木層為純灰巖區純白雲巖區,草本層為純白雲巖區純灰巖區,總體上純灰巖區的高於純白雲巖區的;各樣地間的相似性系數都很低,相同巖性類型內的明顯高於不同巖性類型之間的相似度;物種周轉率高,且白雲巖區高於石灰巖區,種類組成差異明顯;喀斯特區可溶巖地球化學背景通過喀斯特作用導致特殊的地形條件與元素地球化學特徵,並引起局部小生境的分異從而影響植物群落特徵。The current and rapid loss of tropical hardwoods in many regions due to high commercial demand, low rates of successful replacement, and the long periods of growth necessary to produce new, marketable resources has raised concern about over - exploitation of some species, such as rosewood, although none of the trees are known to have been driven to extinction
盡管當前還沒有一種樹木已經滅絕,但是在許多地區熱帶闊葉林的快速消失是由於高經濟需求、低比例的有效補充和必需品的長期增長,要求產生新的市場化的資源所引起的對某些物種的過度開采,例如紅木。Type nhss wire rope pulling hoist is widely suitable for use in bridge - construction, laying of large - size pipes, installation and adjusting of machinery an electric apparatus, and large reaction tower of petrochemical industry ; the installation and alignment of storage tanks ; erecting, fitting, welding and alignment of masts, steel concrete timber structures ; laying and translocating of rails and sleepers ; loading and unloading bulky heavy goods during transportation. cable tensioning ; demolishing of gallery supporting logs ; stacking forrestry wood ; and othersimilar cases. the hoist of this series is especially suitable for use in narrow working sites of limited space, where the job is high above the ground or in open air places, in tunnel of deep well, where no power for traction or lifting is available
Nhss型鋼絲繩手扳葫蘆可廣泛用於建築施工、大型管道鋪設、機電設備和石油化工大型反應塔、儲罐的安裝、校準、鐵塔及其它鋼木結構的豎立、拼裝焊接、校準、鐵軌、枕木的鋪設、移位、交通運輸中笨重貨物的裝卸、電線張緊、坑道支撐木的拆除、林區木材的集放等等,對于局部空間受到限制的狹窄工作場所、高空作業、野外作業、坑道、深井作業和無機電供能場所的各種牽引、提升作業、選用本系列產品尤為適宜。The paper presents some new data of ? magnolia ? and ? manglietia ? in china ( yunnan ), thailand and vietnam. the voucher collections are kept in china ( ycp )
報道了木蘭科植物中國雲南新記錄1亞種1變種,泰國新記錄2種和越南新記錄1種,引證標本均保存於中國國家林業局雲南珍稀瀕特森林植物保護與繁育實驗室標本館( ycp )Introduction of exotic forest trees
林木引種分享友人