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(diǎn);【圣經(jīng)】天。 5.〔罕用語(yǔ)〕顯貴,高的社會(huì)地位。 What's your height 你多高? I'm five feet in height. 我身高五英尺。 the height above (the) sea level 海拔。 in the height of fashion 極時(shí)髦。 in the height of summer 在盛夏。 height of one's power 權(quán)力的極點(diǎn)。 on the height 高地上的。 the height of folly 笨透。 at its height 正盛,正在絕頂;正起勁。 in height 以高計(jì)。 height of land 〔Canad.〕分水界;〔口語(yǔ)〕流域。 n. -ism 身高歧視〔尤指對(duì)矮小男子或高大婦女的歧視〕。 -ist adj. 身高歧視的。
By using the total station , the accuracy of tree height measurement can reach 1 / 1400 ; that of volume measurement can reach 1 / 200 由于全站儀的自動(dòng)化程度很高,可與數(shù)據(jù)采集器實(shí)現(xiàn)數(shù)據(jù)的實(shí)時(shí)通訊,提高工作效率。
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(jù)一項(xiàng)新研究顯示,鳥(niǎo)兒嚼食討厭的寄生蟲(chóng),可以促進(jìn)樹(shù)木的高度增加達(dá)33 % ,因?yàn)榧纳x(chóng)會(huì)把樹(shù)木的生命力吸食殆盡。
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(fēng)林在背風(fēng)側(cè)可在20倍于樹(shù)高的距離而在迎風(fēng)側(cè)則在3倍于樹(shù)高的距離上減小風(fēng)速10 %以上。
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(cè)量型工具,自20世紀(jì)90年代中期后,美、英、德、日等國(guó)在林地面積測(cè)量、樹(shù)高測(cè)量中初步使用全站儀。
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(jié)果表明:不同水分條件對(duì)池杉的樹(shù)高、胸徑、枝下高、干形、樹(shù)干基部形態(tài)及生長(zhǎng)過(guò)程均產(chǎn)生明顯的影響。
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(cè)量樹(shù)高的精度可達(dá)1 / 1400 ,測(cè)量任一處直徑的精度可達(dá)1 / 200 ,且均高于其它測(cè)樹(shù)方法的精度,完全能夠滿足林業(yè)測(cè)量的精度要求。
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(shè)立標(biāo)準(zhǔn)地進(jìn)行林分調(diào)查,在標(biāo)準(zhǔn)地中選取擬赤楊標(biāo)準(zhǔn)木進(jìn)行樹(shù)干解析,采用生長(zhǎng)對(duì)比方式分析擬赤楊在馬尾松人工林中的生長(zhǎng)情況,調(diào)查結(jié)果表明,在同一環(huán)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(shù)高高38 % ,平均單株材積大3 . 2倍,在林分中表現(xiàn)出絕對(duì)優(yōu)勢(shì)。
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(duì)漳平五一國(guó)有林場(chǎng)馬尾松種子園18個(gè)初選家系進(jìn)行子代測(cè)定,采用隨機(jī)區(qū)組設(shè)計(jì)、 8次重復(fù),對(duì)6年生的樹(shù)高、胸徑、材積等性狀進(jìn)行測(cè)定,試驗(yàn)結(jié)果表明:馬尾松種子園各家系子代均明顯高于對(duì)照( ck ) ,共選出7個(gè)優(yōu)良家系材積生長(zhǎng)超過(guò)對(duì)照50 %以上材料,作為營(yíng)建馬尾松改良種子園和工業(yè)原料林的材料。
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(cè)定數(shù)據(jù),建立可變參數(shù)削度方程,配合威布爾分布函數(shù)、相對(duì)樹(shù)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(chǎn)應(yīng)用提供科學(xué)依據(jù)。