artificial characteristics 中文意思是什麼

artificial characteristics 解釋
人為特性
  • artificial : adj 1 人工的,人造的;人為的 (opp natural)。2 摹擬的 (opp genuine real); 不自然的,矯揉造作的...
  • characteristics : 產品性能描述
  1. The reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area. stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition. the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area

    通過對沙坡頭人工固沙植被區主要建植種群檸條( caraganakorshinskii ) 、花棒( hedysarumscoparium )和油蒿( artemisiaordosica )的繁殖特性及種群結構的研究,以及自然侵入的一年生草本植物小畫眉草( eragrostispoaeoides )和霧冰藜( bassiadasyphylla )繁殖特性的研究,探討了在植被的持久性和變異性,分析評價了主要受惡劣環境壓力下的人工固沙區植被的穩定性。
  2. A group of organisms having common ancestors and certain distinguishable characteristics, especially a group within a species developed by artificial selection and maintained by controlled propagation

    屬一群擁有共同祖先和明顯特徵的有機體,尤指屬于同一物種的一群,通過人工選擇來發展,通過有控制的繁殖來維持
  3. At first, this research summarizes and analyzes the natural zoology conditions, such as district ’ s boundary, geography position, climate characteristics, geologic and appearance, soil, vegetation and so on, social economy, the whole developing situation of the stockbreeding in the yellow river delta area. the result is : the yellow river delta is the area with a specific zoology system and rich natural resource. the proper geological environment, favorable climate conditions offer the advantaged conditions for the growing of pasture and feedstuff, the big superficial natural and artificial grass land and a large number of cropper straws establish a good material base for the vegetarian especially for sheep

    1 、通過對黃河三角洲地區的區域界定、地理位置、氣候特徵、地質地貌、土壤植被等自然生態條件,以及社會經濟狀況、畜牧業整體發展情況進行分析,結果表明:黃河三角洲是一個具有獨特生態系統和豐富自然資源的地區,該區特有的地質環境、良好的氣候條件為牧草及飼料作物的生長提供了有利條件,大面積的天然草場和人工草場以及大量的農作物秸稈為食草家畜,特別是羊的大發展奠定了良好的物質基礎。
  4. Expert system has many merits. it has the ability of heuristic illation, and can explain for illation and append new knowledge in the knowledge database. but it also has obvious shortcomings, such as, poor ablitity in ka ( knowledge achieve ), inefficient and incomprehensive. the artificial neural network has the ablitity of parallel processing, associative memory, distributed storage of knowledge and high robust etc. it also has perfect characteristics of self - organizing, self - adaptive, self - learning. it specializes in visualize ideation but is short of logic ideation

    專家系統在故障診斷領域得到廣泛的應用,專家系統具有許多優點,能利用專家的知識進行啟發式推理,能夠解釋其推理過程,並能夠不斷地、靈活地增加新的知識。但專家系統也存在明顯的缺陷:獲取知識能力差、效率低、范圍窄。可以說專家系統長于邏輯思維缺乏形象思維。
  5. The species were separately caragana korshinskii hydysarum scoparim artemisia ordosica in shrubs layer, eragrostis poaeoides bassia dasyphylla in herbs layer, bryum argenteum barbula ditrichodies in microbiotic crusts layer. and the dominant species of them were artemisia ordosica eragrostis poaeoides bryum argenteum respectively. due to the different time and the topographical varieties in the fixing - sand region, the horizontal structure of artificial vegetation manifested out the mosaic characteristics

    灌木片層的主要植物種是檸條( caraganakorshinskii ) 、花棒( hydysarumscoparim ) 、油蒿( artemisiaordosica )等灌木植物,其中優勢種為油蒿;草本片層的主要植物種有小畫眉草( eragrostispoaeoides ) 、霧冰藜( bassiadasyphylla )等,其中優勢種是小畫眉草;生物結皮由藻類和苔鮮類構成,其中,銀葉真鮮( bryumargenteum夕為固沙植被區鮮類地被層優勢成分。
  6. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位,採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法,對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究,以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵,進而探討兩物種瀕危的成因和機制,並針對性地提出了科學合理的保護對策和建議。
  7. Response characteristics of wind excited cables with artificial rivulet

    帶人工雨線的拉索在風激勵下的響應
  8. Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio

    根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。
  9. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時,為研究城市下墊面的產匯流特性研製了一套人工模擬降雨系統,並對相關評價指標進行了實測校驗。在此基礎上,進行了200多場降雨實驗,分析了雨強、歷時、土壤前期含水量、溫度、降雨量、不同下墊面和不同覆蓋度等對產匯流的影響,及各種因素對徑流系數的影響和相關性,建立了一定條件下歷時徑流系數,雨強徑流系數,流量徑流系數的函數模型。
  10. Clinical characteristics and study on drug abortion and painless artificial abortion

    藥物流產與無痛人流的臨床特點和研究
  11. The adhesive specimens shows some degree of deterioration in appearance and mechanical characteristics after artificial aging test

    粘結劑試件在人工加速老化曝露試驗后,其外觀顏色和力學性能均發生一定的變化。
  12. This paper makes a review on the reproductive biology characteristics of grouper and on its current research situation in artificial breeding technology, meantime, puts forward the problems currently existing in research of artificial rearing

    摘要就石斑魚繁殖生物學特徵以及人工繁育研究的現狀進行了綜述,並提出了當前人工繁育研究中存在的問題。
  13. Sound system equipment - methods for specifying and measuring the characteristics of artificial reverberation, time delay and frequency shift equipment

    音響系統設備.第9部分:模擬混響滯后和頻移設備特性的規定和測量方法
  14. Study on characteristics of artificial feeding and breeding habits of striped hamster

    黑線倉鼠室內飼養與繁殖的研究
  15. For example, on the survey report of wu yi civic square of changsha, we can draw the following conclusion : the square lacks arbors. it looks like the ignorance of the designer, but through analysing carefully, in fact, the technology of planting on the artificial ground and construction " s roof is inadequate. another example, the behavior and psychological characteristics of people in the open space of city, which are often ignored by the designer, and are very important in creating two kinds of basic behavior space : facility for rest and space for walking

    本文著重對休閑廣場設計中的難點問題作了闡述,例如立體綠化中的技術問題,通過調查報告,可以得出長沙市五一市民廣場綠化中大樹偏少的結論,從表面看似乎是設計師的問題,但通過仔細分析,實際上還是立體種植的技術手段跟不上;又如城市公共空間中人的行為心理特徵,這是目前設計實踐中容易忽視的問題。
  16. Abstract : in this paper, characteristics of polluted insulator ' s operation state were analysised, studied the differences between each characteristics, the factors influencing lc significantly were found, including circumstance factors, and characteristics of leakage current ( lc ) were studied basing on artificial contamination test, obtained the relationship between leakage current and the influenced factors

    摘要:文章分析了表徵污穢絕緣子運行狀態的特徵量,比較了各特徵量的特點及其適用場所,總結了影響泄漏電流的特徵量,包括環境因素,並且在人工污穢試驗的基礎上,分析了泄漏電流在閃絡過程中的特徵,得出了泄漏電流與其基本特徵量之間的關系。
  17. 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。
  18. As the attribute and effect of instructional structures, instructional functions enjoy the guiding, artificial and historical characteristics

    作為教學結構的屬性和效應,教學功能具有先導性、人為性和歷史性。
  19. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。
  20. The results showed that the capability of reaumuria soongorica in seed actual reproduction and artificial restoration was positively correlated with disturbance levels ; the capability of restoration varied with the characteristics of disturbance factors, of which water was the key factor

    結果表明,紅砂種子更新恢復能力與干擾水準呈正相關;干擾因數的特徵不同,則更新恢復能力不同;尤其水分因數參與對紅砂種群的自然更新與人工輔助恢復起著關鍵性的作用。
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