representative sample 中文意思是什麼

representative sample 解釋
代表性試樣
  • representative : adj 1 表示的；表現的，描寫的；象徵的。2 能代表…的；可作…的典型[模範]的 （of）。3 代理的，代表的，...
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  1. Furthermore the expressions of all the genes in a representative sample were examed by the recently developed method of hybridization to cdna arrays. this was intended to strengthen the theoretical background for the screening of norway spruce genotypes with low lignin content. the calli of the transformed sublines a78 - 3, a78 - 4, a78 - 5 and the untransformed control a95 : 88 : 22 were successfully induced to form mature embryos from which plantlets were established

    以轉基因亞系a78 - 3 、 a78 - 4 、 a78 - 5和未轉基因對照a95 : 88 : 22的細胞愈傷組織為實驗材料，以dkm和lp - m熟化培養基培養五周后，再以1 4sh萌發培養基培養四周，成功地誘導形成了胚胎，並再生成新的小植株，萌發成活率達到80 。
  2. It ' s like trying to estimate the demographics of the united states from a sample of ten americans, and they were chosen from a bodybuilders ' convention so you know it ' s not a representative sample

    這就好比你想通過十個體形相當的美國人來估算美國的人口，這樣的樣例顯然是不具有代表性的。
  3. A field representative to the high production - region in yutian county, hebei province was selected and a 70 kg top layer soil sample was taken from the field in june, 1991

    在河北省玉田縣高產地區選一個有代表性的地塊， 1991年6月麥收后採集70公斤的耕層土樣。
  4. 3 the thesis adopts subarea principle, exerts delphy to accept or reject repeat index elected, and finally establishes farmland appraisal index system of outskirts hill chongqing. 4 the thesis manages ahp and dsr to demonstrate system with bishan of representative outskirts hill county chongqing as a sample

    4以重慶市典型的近郊丘陵縣? ?璧山縣為體系論證樣點，運用層次分析法和「推動力?狀態?反應」法對建立的指標體系進行論證，結果表明，體系的建立具有較強的科學性，符合重慶市近郊丘陵區的實際。
  5. Withal, basing on study on the domestic and foreign farmland appraisal, on introduction land resource use trait in outskirts hill chongqing, the thesis introduces firstly international all - purpose five principles of sustainable land use management, exerts delphy to accept or reject repeat index elected, manages ahp and dsr to demonstrate system with bishan of representative outskirts hill county chongqing as a sample, studies on farmland appraisal index system of outskirts hill chongqing, and looks forwards to favoring farmland appraisal work of chongqing and doing indeed southward hill zone. the central conclusion as follows : 1 in the background of town land appraisal constantly perfect in our country, the cultivated land value management, as the part of land market, is more and more important

    對此，本文在分析國內外農用地分等定級研究的基礎上，通過對重慶市近郊丘陵區土地資源利用特點的詳細介紹，引入國際上通用的持續土地利用管理的五大原則的基本框架，運用特爾斐法對所選指標進行多輪取捨，結合層次分析法、 「推動力?狀態?反應」法等數學方法，以重慶市典型的近郊丘陵縣? ?璧山縣為體系論證樣點進行體系論證，就重慶市近郊丘陵區農用地分等定級指標體系作以研究，以期對重慶市乃至南方丘陵地帶農用地分等定級工作的開展有所裨益。
  6. The study limitations point to a need for revising measures of social desirability, refining analytical models of overestimates, conducting more research on time diary reliability and validity, making comparative analyses of multiple methods for time data collection, and replicating past studies using a representative national sample and longitudinal design

    對未來研究的建議包括更改社會贊許性的測量方法，重建對高估時間的模式分析，更多時問日誌的信度與效度的研究，多元方法綜合運用於時間測量方法的比較分析，鼓勵對其他自營職業婦女與其他學科領域從事類似的時間運用研究，以及從事具代表性樣本與追蹤樣本的反覆檢驗。
  7. By sun, bo ( major : marine biology ) directed by professor zhang, guofan and dr. liu, xiao population genetics of four argopecten irradians cultured populations was analyzed by using random amplification polymorphism dna ( rapd ) techniques. and partial dna sequences of the internal transcribed spacers ( its ) from four representative samples ( one sample represent for each population ) were amplified by pcr and sequenced in order to stress the phylogenetic relationships of the four populations. besides, by rapd technique, two argopecten irradians families were studied to examine whether the hybridization experiments were successful and which family was more suitable to be materials in future genetic linkage map construction

    本文以海灣扇貝4個養殖群體為研究對象，採用隨機引物多態性dna （ rapd ）技術進行了群體遺傳學研究，並嘗試使用4個群體中代表個體的內轉錄間隔區（ its ）序列比對分析結果作為參考；另外，本文還運用rapd技術對人工異體交配的2個海灣扇貝家系的雜交成功率進行了分析，均獲得成功證實，並評估了兩個家系構建遺傳連鎖圖譜的潛力。
  8. Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality

    為保證調查取樣的代表性，本研究採用分層隨機抽樣法，即按照重點學校和非重點學校，非重點學校又分為較好的學校和較差的學校的標準，在全市中學中隨機抽取300名一線教師，進行實測。
  9. You can test package execution and data transformation with richly representative data, but more quickly because a random sample is used instead of the full dataset

    這樣，您就可以使用很有代表性的數據來測試包執行和數據轉換，而且這種測試更加快捷，因為它使用的是隨機樣本而不是全部數據集。
  10. In most cases, a representative sample of data is required for defining the statistics of the wind field.

    在大部分情況下，為了確定風場的統計，需要代表性的數據樣品。
  11. Bringing forward an intelligent decision method of image segmentation based on roughset theory to make the system automatically select segmentation algorithm in simple scenes. firstly, it selects some representative segmentation algorithms to make up of an algorithm library, which is used to process kinds of sample images ; secondly, it makes the decision informationtable utilizing diversified numerical features extracted from the sample images and the optimalsegmentation algorithm of each sample image according to segmentation quality evaluationcriterion ; finally, it applies rough set theory on discretization and attribution reduction of

    為了使系統在簡單場景下能夠通過自動選取分割演算法來提取目標，提出了一種基於粗糙集理論的圖像分割智能決策方法。首先選取若干具代表性的分割演算法構成演算法庫，並用它們對各種樣本圖像進行分割;然後利用從樣本圖像中提取出來的各種數值特徵，並根據圖像分割質量評價標準評判出各樣本圖像的最優分割演算法，用其構成決策信息表;最後應用粗糙集理論來對決策信息表進行離散化處理和屬性約簡，以生成圖像分割演算法選取的決策規則。
  12. The random survey was based on a representative sample of more than 3, 000 undergraduates full and part - time who attended 88 higher education institutions in

    多名在校大學生（包括全日制和非全日制學生）中進行的。收集的數據包括收入、支出和資金狀況
  13. The 2, 182 children examined in the study came from a nationally representative sample called the child development supplement of the panel survey of income dynamics

    研究中納入的這2182名兒童來自「收入動態調查之兒童發育添加物」的國家代表樣本。
  14. Designate supply area representative points, to regularly sample and examine water to control water quality

    規劃供水區代表點，定期采樣檢驗掌握水質狀況。
  15. In term of special meaning, qinghuatongfang as the epitome of the qingnhua university, the project is the symbol venture of hig - tech enterprise, can be regarded as an epitomes or sample of the public company ventrue capital, individually qinghuatongfang con be called the ridgepole and bear of the public company representative of the high - technology enterprise, no matter on its product scale, management level or the income from sale and profit level

    從特殊意義上來講， 「清華同方」作為代表最高學府清華大學的校辦企業，投資項目均具有高科技的特徵和風險，可以看作是上市公司特殊類型的一個代表與象徵，個別地講， 「清華同方」無淪是其企業規模、管理水平，還是銷售收入與利潤水平，都可稱為是上市公司中的棟梁，高科技企業的代表。
  16. Study an effect of using sulfur - removal waste residue ( the vice - product produced by sulfur - removal device of the factory using coal as energy resource to absorb oxidizing sulfur, whose mainly composition is gypsum ) as an amendment to the alkali soil in theory. with certain water as leaching requirement leaching soil column indoor employed with certain quantity sulfur - removal waste residue after collecting and analyzing representative soil sample. collecting and analyzing the filtrate, then calculate the data and speculate the result to guide the field production

    本文重點是對煤煙脫硫廢渣（利用煤炭作為能源的工廠的除硫裝置消除硫氧化物后的副產物，主要成分為石膏）改良堿土進行理論研究，方法上以室內土柱淋溶模擬為主，採集有代表性的堿土並分析其成分后，採用小水量定額灌洗，收集分析濾液化學成分，進行推理分析計算並指導田間的生產實際。
  17. Facing the change of market competition environment, china aerospace science and industry corporation ( casic ), which is one representative sample of the military enterprises, puts forward a suitable management model of " personnel and systems management " for enterprises ' development creatively after summing up the experience, lessons of our country ' s aerospace system for more than 40 years and consulting the advanced idea of the domestic and international successful enterprises

    摘要中國航天科工集團公司作為軍工企業的代表之一，面對市場競爭環境的改變，在總結我國航天系統40餘年所取得經驗和教訓的基礎上，參考國內外成功企業的先進理念，創造性地提出了適合企業發展的「人制管理」模式，並在實際應用中取得了巨大的成就。
  18. To give you a sense of this list, a small representative sample is provided here

    為了讓您對這張列表有個概念，我們在此提供了一個很小的有代表性的樣本：
  19. This list is a representative sample only. other tools are available for different platforms

    上面列表只是一些有代表性的例子，其他工具可用於不同平臺。
  20. Our verification procedures comprised a review of the report, selection of a representative sample of statements and data and interviews with representatives from archsd

    核實程序包括審核該報告的內容、抽查具代表性的報表和數據，及與建築署所有分處的代表人員會面。
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