sampling area 中文意思是什麼

sampling area 解釋
取樣區
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  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. Every sampling unit can be certain length, also can be unit of particular area, bulk or cubage, quality or quantum of time

    每個取樣單位可以是一定長度,也可以是一定面積、體積或容積、質量單位或時間單位等。
  3. Multistage sampling in forest inventory is not restricted to fixed-area sampling units.

    森林資源清查中,多階抽樣並不局限於固定面積的抽樣單元。
  4. It is for a discussion of area determination by transect sampling.

    這是有關截距抽樣估測面積的討論。
  5. The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design

    開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路,更適合電路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單,易於調試等優點,所以研究和設計開關電容濾波器有著重要的理論和實際意義。
  6. Taken two heavy metal contaminated soils in copper mine field of hongtoushan area and lead - zinc mine field of qingchengzi area as sampling sites, studied the abundance and diversity of amf community and the relation of which to ecological factors ; two experiments were managed by pot culture and four - compartments culture system with festuca. rubra and red clover as host plants inoculated with gintraradices, gmosseae and gcaledordinum to study the effect of different amf on the uptake and accumulation of heavy metal in cd contaminated soil and cu > zn - pk cd complex - contaminated soil

    採用盆栽、四室根箱培養的方法,研究了接種g . intraradicesg . mosseae和g . caledordinum在cd污染和cu 、 zn 、 pb 、 cd復合污染土壤中對紫羊茅、三葉草吸收、累積重金屬的影響,明確了叢枝菌根菌在重金屬污染土壤生物修復中的作用。主要結果如下: 1 、沈陽礦區重金屬污染土壤中,共發現叢枝菌根菌6個屬23個種,已鑒定22種, 1個未定種。
  7. The mechanism about seed actual reproduction and artificial restoration under disturbance was investigated by using systematic sampling in the typical area of reaumuria soongorica population at mid - young age in desert grassland region, according to two similar habitate involved five different disturbance characteristics

    摘要2003年7 10月,選擇黃土丘陵區荒漠草原地帶兩個相似生境、 5個不同干擾特徵的中幼齡紅砂種群更新恢復類型區為研究物件,採用系統取樣法或樣行法,開展了干擾條件下的紅砂種群種子更新與恢復機理的初步研究。
  8. By using the focal sampling, the 5648 field observed notes of 193 hours during 47 days from 1999 to 2000 was gotten from behaviors of two francois " leaf monkey ( semnopithecus francoisi ) groups ( 7 individuals and 9 individuals respectively ) at both core and buffer area of the mayanghe provincial natural reserve, yanhe county, guizhou province

    1999 ? 2000年,在貴州沿河麻陽河自然保護區,採用焦點動物取樣法,對核心區( 9隻)和實驗區( 7隻) 2群黑葉猴行為進行了為期47天, 193個小時的野外觀察,共獲取5468個野外行為取樣數據。
  9. Sampling measurement technology is vital in the area

    采樣測量技術是功率電能測量技術的關鍵技術之一。
  10. During this period, area selecting, sampling, interviewer training, pilot testing and questionnaire revising were took action to ensure the quality of the research. then the author established the database on the requirements of hml and used it to analysis the shanghai household " s apparel consumption decision - making behavior and its influencing factors

    期間先後進行選取調查地區、調查對象及進行調研員的培訓等工作,同時對調查問卷也做了設計修改,採用入戶跟蹤問卷調查的方法,得出有效數據,建立基於hml數據挖掘技術要求的數據庫,並運用hml數據挖掘軟體系統分析了上海家庭服裝消費的決策行為及其影響因素。
  11. The model includes the obscuration ’ s character of position, shape, scale, number, area percent, greyhound, and it also includes the sampling frequency of analyzing the obscuration and the area of optical component

    該模型包括散射點位置,形狀,尺度,數目,散射面積比,灰度,還包括分析散射點的采樣頻率,散射點所在的光學元件面積等特徵。
  12. In order to understand the childhood behavior disorder and suicide ideation in primary school studens in changsha city, and to identify factors affecting childhood behavior disorder and suicide ideation of children, 1060 primary school students, 796 persons from urban areas and 264 from rural area, were randomly sampled from six primary schools in changsha by multiple cluster sampling

    為了了解長沙市城鄉小學生的行為問題、自殺意念以及它們的影響因素,本研究採用多級整群隨機抽樣法,在長沙市城鄉隨機抽取六所學校的1060人(城市796人,鄉村264人)為研究對象。
  13. A method independent of the orientation information is presented based on gray level similarity of a local area and its sub - samplings, computing the minimum size of the sampling with the grey level similarity, and eventually, the ridge frequency related the sampling size is obtained

    摘要提出了一種獨立於紋線方向信息的方法,根據指紋整體與局部在灰度的相似性,求出具有該相似性的最小局部的尺寸,從而得到相應的紋線密度。
  14. In order to enhance the measure precision and expand the using area of the existing oil pipeline mfl ( magnetic flux leakage ) detecting system to natural gas pipeline testing, detailed information of flux obtained by decreasing sampling time and space interval is needed

    為了提高現有輸油管道漏磁檢測系統的檢測精度以及擴展系統的適用范圍使其適用於天然氣輸送管道的檢測,需要通過減小采樣時間間隔和空間間隔的方法以獲得更加完備的漏磁場信息。
  15. The main contents of the course design include : estimating the prospect of a deposit ; analyze the variability of the ore bodies, selecting the exploration area and means ; arrangement of exploration engineering ; methods of sampling, compiling and reserve calculation ; budget of exploration investment ; calculation of total profit after mining and economic appraisal ; drawing necessary figures and tables and compilation of the exploration report

    礦床勘探課程設計的主要內容是估計礦床的遠景;分析礦體的變化性;選擇勘探范圍,勘探手段,勘探工程布置形式;確定取樣,編錄和儲量計算方法;進行勘探投資預算,計算開采后的總利潤,並進行經濟評價;繪出必要的圖表,並寫出文字報告
  16. Usually, we consider a sampling technique in which each sample is obtained by averaging a diamond portion of the picture, as we know, a large amount of information of a image in nature mainly gathered the small area, at the same time <, . but to finger print gray image, a fine degree of quantization is particularly important for samples taken in regions of a picture across which the gray level changes slowly

    目前國內外圖像濾波常用的方法有線性濾波和非線性濾波。線性濾波有完善的理論基礎,數學處理也簡單,易於fft實現,在濾波技術中佔有及其重要的地位,但對于像素受污染的指紋圖像而言由於脈沖噪聲的重脫尾,處理效果並不太理想。
  17. The area of plot sampling in every typical community locality on the small protected area in huangyinling were 1 600m2. the site factors were investigated by the method of forest community investigation, and the species, body number, height, d. b. h., coverage of herbage and so on were recorded

    在黃茵嶺生態保護小區中亞熱帶常綠闊葉林中設置樣地,每個群落的樣地調查面積均為1600m ~ 2 ,採用森林群落的調查方法,調查立地因子,記錄群落植物的物種名、個體數、高度、胸徑、草本層蓋度等。
  18. The study area is located in wangdonggou, a small watershed in changwu county, shaanxi province. with the principles of combination of qualitative and quantitative analysis, macroscopic and microscopic analysis, the assessment indexes of soil erosion are selected through a series processes such as field investigation, soil sampling, physical and chemical properties analysis of soil, analysis of relations between the influencing indexes and soil erosion, statistics method, and so on. every index is divided into five grades according to the specific criterion, and its weight is drawn by ahp method

    本文以陜西省長武縣王東溝小流域為研究區,在堅持定性分析與定量分析相結合、宏觀與微觀相結合的原則下,通過實地野外調查和採集樣品,土壤樣品的理化分析,土壤侵蝕影響因素的分析,利用數理統計分析方法,篩選出了王東溝流域土壤侵蝕定量評價指標;並對這些指標進行土壤侵蝕評價等級的劃分及權重的確定,從而建立了評價指標體系。
  19. The light route used by measuring instrument determined its volume, according to the place between sampling area and lens, with the application background limits, the miniature atomized particles size measuring instrument takes scheme that the sampling area locate in front of the lens and the optic - electronic sensor at the back focal plane of the lens. the miniature atomized particle size measuring instrument employs

    測量儀器採用的光路直接影響儀器的結構尺寸,接收透鏡和采樣區位置的關系具有不同的配置方案,由於霧粒粒徑測量儀應用背景的限制,所採用的光路配置方案是被測顆粒位於透鏡前方,光能接收器件位於透鏡后焦面上。
  20. The sampling area lies in jiangjin city, where is undulating topography, purple soil and paddy field soil account for most of its soil types, the status of land use are paddy and dry land

    本次試驗的采樣區位於江津市,為低山丘陵地貌,土壤類型主要為紫色土和水稻土,土地利用現狀主要為水田和旱地。
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