tree height 中文意思是什麼

tree height 解釋
樹高
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木，也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  • height : n 1 高，高度；身高；海拔。2 〈常 pl 〉高地，山丘。3 高貴，卓越。4 絕頂，頂點；【聖經】天。5 〈罕...
  1. The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew

    運用改進模型對南方紅豆杉種群在不同海拔梯度的種群優勢度增長進行了探討，表明海拔790m處的南方紅豆杉具有較大的環境容納量，但增長速度不快，海拔990m處的南方紅豆杉種群環境容納量不高，但具有較大的增長速度，這可能與群落的發育階段不同有關，兩地海拔均為南方紅豆杉適宜的生長海拔高度，相比而言，海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高度更宜於南方紅豆杉種群的生長。
  2. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明，其生境因其所附生的樹種不同而有所不同，但具有共同特點：附生在樹干下部距地面2m高的范圍之內，光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長；其為雌雄異株蘚種，雌、雄器苞形態差異明顯，雌器苞數量多，雄器苞數量少並且難于發現，孢子體直立，蒴柄細長，孢蒴規則長卵形，蒴帽兜形。
  3. The variable parameter taper equation was built with diameter determination datas of different parts of cryptomeria fortunei plantation sample wood, in combination with the relative tree height curve mode and other assistant equations, volume table of c. fortunei plantation standing was compiled, and provided the scientific basis for the production and application

    摘要利用柳杉人工林樣木各部位直徑測定數據，建立可變參數削度方程，配合威布爾分佈函數、相對樹高曲線模型及其他輔助方程，編制了柳杉人工林林分出材率表，為生產應用提供科學依據。
  4. A medium - thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the tree height on the leeward side and three times the height to the windward

    中等厚度的防風林在背風側可在20倍于樹高的距離而在迎風側則在3倍于樹高的距離上減小風速10 %以上。
  5. Now saul was sitting in gibeah, under the tamarisk tree on the height ; and his spear was in his hand, and all his servants were standing around him

    那時掃羅坐在基比亞高處的垂絲柳樹下，手裡拿著槍，眾臣僕侍立在他左右。
  6. Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process

    結果表明：不同水分條件對池杉的樹高、胸徑、枝下高、干形、樹干基部形態及生長過程均產生明顯的影響。
  7. The results show that the water consumption of transpiration can be reckoned through standard specific conductivity of standard tree and the relative model between breast height diameter of tree and sapwood area

    結果表明，通過標準木的標準比導率和樹木胸徑和邊材面積的相關模型，可以比較準確地推算出林分的蒸騰耗水量。
  8. 4, the diameters at tree breast height ( dbh ) of trees that birds feed on change significantly for 12 years fore - and - aft ( p < 0. 01 ), which is consistent with the significant changes ( p < 0. 01 ) of dbh in habitat

    鳥類取食樹種的胸徑在12年前後變化顯著（ p 0 。 01 ） ，這一特點與其生境樹種的胸徑變化顯著（ p 0 . 01 ）是一致的。
  9. This paper gives a survey on experimental forestland. 25 tree species were selected, and arranged in order by average diameter at breast height, average height, average individual volume and annual average volume increment in a unit area in this experiment

    摘要簡要介紹了試驗林地的概況，選擇了25個樹種進行試驗，並按各樹種林分平均胸徑、平均樹高、平均單株材積和平均單位面積蓄積的年平均生長量進行排序。
  10. The paper introduced the definition and sort and field arrangement and remote monitoring of field sensor ( a new combination of remote monitor and control and network and sensor ). then tried to make use of transfer image to reconstruct tree diameter at breast height through stereo vision, the result was fairy well to realize measure diameter without field survey

    首先對其定義、種類、外業設置及遠程監控操作做了簡單的介紹，然後嘗試利用原野服務器傳回的圖像，通過立體視覺技術重建遠隔地樹木的胸徑，得到了較為滿意的結果，從而實現了不到現地便能夠測量直徑的目的。
  11. To undertake, as quickly as reasonably practicable, a campus - wide survey of trees of conservation value which includes protected tree species as stipulated by the government, any tree with a diameter of 500 mm or above at breast height, and any tree of historical value including those planted by a donor or on a special occasion

    在可行的情況下盡快進行一個整體校園有關樹木保育價值的調查，其中包括政府所指定的受保護樹木品種，任何胸徑達500毫米或以上的樹木，及任何具歷史價值的樹木，包括由捐贈者或於特別場合下栽種的樹木。
  12. Deciduous tree with a straight trunk which is covered with conical prickly knobs, red bell - shaped flowers, grows to a height of 18. 5 m

    落葉喬木，長直的樹幹上長滿圓錐形的節，紅色花朵呈鐘狀，樹高可達18 . 5米。
  13. The tree has a round crown, with an average height of less than nine metres. flowers of the tree vary from pink to purple and lavender - pink in colour. the flowering period is long, ranging from june to august

    大葉紫薇通常樹高不逾九米，樹冠渾圓，花朵顏色變化不同，由粉紅至紫紅及紫色不等，花期甚長，六月至八月間，繁花滿樹，美得令人心醉。
  14. The sowing and seedling raising experiments of castanopsis hystrix seed with different artificial treatments showed 1 - year - old c. hystrix seedling average height and average dbh with the treatments of hastening germination and cutting root were 22. 0 % and 117. 0 % higher than those without the root cutting treatment, respectively, the individual - tree lateral root number increased by 127. 71 %, the afforested survival rate increased by 23. 0 %

    摘要對紅錐種子採用不同人工處理的播種育苗試驗表明：紅錐種子經催芽斷根育苗處理后，其1年生苗木平均高和平均地徑分別比無斷根處理的高22 . 0 %和117 . 0 %單株側根數增加127 . 71 % ，造林成活率提高23 . 0 % 。
  15. The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ), 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p. massoniana improved seed orchard and industrial raw material forest

    摘要對漳平五一國有林場馬尾松種子園18個初選家系進行子代測定，採用隨機區組設計、 8次重復，對6年生的樹高、胸徑、材積等性狀進行測定，試驗結果表明：馬尾松種子園各家系子代均明顯高於對照（ ck ） ，共選出7個優良家系材積生長超過對照50 %以上材料，作為營建馬尾松改良種子園和工業原料林的材料。
  16. By using the total station, the surveyors can determine a set of measurable factors, such as upper diameter, diameter at breast - height and tree height, and then calculate the volume

    其測量樹高的精度可達1 / 1400 ，測量任一處直徑的精度可達1 / 200 ，且均高於其它測樹方法的精度，完全能夠滿足林業測量的精度要求。
  17. 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。
  18. By using the total station, the accuracy of tree height measurement can reach 1 / 1400 ; that of volume measurement can reach 1 / 200

    由於全站儀的自動化程度很高，可與數據採集器實現數據的實時通訊，提高工作效率。
  19. Birds boost tree height up to 33 percent by munching on pesky parasites that can literally suck the life out of the tall - growing plants, a new study shows

    根據一項新研究顯示，鳥兒嚼食討厭的寄生蟲，可以促進樹木的高度增加達33 % ，因為寄生蟲會把樹木的生命力吸食殆盡。
  20. Total station, an electronic precise geodesic instrument, has been used in surveying forest area and tree height from 1990s in many developed countries, such as u

    摘要全站儀是一種電子精密測量型工具，自20世紀90年代中期后，美、英、德、日等國在林地面積測量、樹高測量中初步使用全站儀。
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