自然衰減 的英文怎麼說

中文拼音 [zìránshuāijiǎn]
自然衰減 英文
natural attenuation
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 衰 : 衰動詞（衰弱） decline; wane
  • 自然 : 自然at ease; natural; free from affectation
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Be in charge of in classics of doctor of traditional chinese medicine " inside classics " go up to also have discuss : " ( person ) year 40 shade are enraged from half, daily life declines " ; the middleaged person that enters 40 years old or so as postmeridian sun, energy by abundant trend abate, this is natural consenescence of the person, the nature that also is a kidney is anile, everybody wants to face and be experienced

    在中醫經典《內經》上也有論述： 「 （人）年四十則陰氣自半，起居衰矣」 ；步入四十歲左右的中年人就如同午後的太陽，精力由充沛走向減弱，這是人的自然衰老，也是腎臟的自然衰老，每個人都要面對和經歷。
  2. When profit diminishes, merchants are very apt to complain that trade decays; though the diminution of profit is the natural effect of its prosperity.

    當利潤減少時，商人們往往都埋怨說，商業衰退了，可是利潤減少乃是商業繁盛的自然結果。
  3. The dissipative attenuation mechanism of the mn - zn ferrite that involved the natural resonance, the piezoelectric resonance and the magnetic hysteresis loss are also studied

    本文還分析了錳鋅鐵氧體自然共振、磁滯損耗和疇壁共振等磁極化機制衰減吸收電磁波的各種機理。
  4. Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images

    本文引入了物理意義明確的自然權，對基於自然權的加權阻尼最小二乘反演演算法（ wlm ）在速度反演、衰減反演中進行了數值模擬和試驗研究，結果表明wlm均能獲得良好的重建圖像，迭代收斂，抗噪能力強。
  5. A dynamical system is built which is satisfied to lyapunov function whose energy function is penalty function in augmented lagrange multiplier method. the dynamical system is global stable, and its stable solution is the optimization solution of sub - problem in augmented lagrange multiplier method according to lasalle invariance principle. finally a complete optimization algorithm is developed

    針對這種工業過程，本文基於一個lqr的性能指標（本性能指標和衰減系數和自然頻率密切相關） ，提出應用本文提出的mmlaax優化演算法，對不確定工業過程進行魯棒pto控制器的設計，取得令人滿意的效果。
  6. Thus, there was a large quantity of land left uncultivated, an overall decay of economics, a deteriorating of social security as well as many up - risings of peasants

    慘烈的自然災害造成百姓生活困苦不堪，人口銳減；土地大量荒蕪，社會經濟全面衰敗；社會治安惡化，秩序混亂；農民的反抗斗爭異常激烈。
  7. Characteristics : contain gtece pure natural olive branch extracts, milk protein and natural baihuacon centracted juice and grasses. natural lubricating ingredients can help to clean the dirty things completely, teduce ftee - radical which will make skin aged, resist itchy, bad smells, activate the skin, make up water andnutrents, recover white and tendetr, soft and flexibility. frequent use can keep the fragtant smells last for a long time, come out charming appearance

    特點：蘊含萃取自希臘的純天然橄欖枝精華滋養成分、牛乳蛋白及天然百花草原液，配以天然的潤膚成分，徹底清潔皮膚污垢，減少令肌膚衰老之游離基的出現，同時抑制瘙癢、異味，有效活化肌膚，並大量補充肌膚所需養分及水份，恢復肌膚白皙嫩滑，柔軟富有彈性，經常使用，持久保留馨逸幽香，肌膚持久亮麗，散發迷人的自然魅力。
  8. In modern times, man - made destruction and irrational use make the shrubbery area reduced sharply and lead to insect and rats disaster and fire and aggravate the decline of shrubbery

    近、現代以來，人為的破壞和不合理利用使灌木林面積在其自然分佈區域內迅速減少，並導致病蟲鼠害和火災的嚴重發生危害，加劇了灌木林的衰退。
  9. First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel

    為了達到這個目的，首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統，在多徑衰減通道環境下比較了三種基帶均衡器（ nlms ， kalman和rls ）的收斂特性以及系統誤碼特性，並比較了nlms基帶均衡器和通帶均衡器的性能。
  10. Note : bacterial count of control group was obtained by substracting the number of bacteria in natural decay from bacterial count before disinfection

    注:對照組菌數為消毒前檢測菌數減去自然衰亡菌數。
  11. It is thought that nature - geographical and human - cultural factors are primary besides, hierarchical scales of cities, resource exhaustion, non - independence and deformity of city functions are also importam factors. in real city forms, the marginal attribute that these various factors contribute often presents different characteristics in spatial forms

    本文認為，形成城市邊緣屬性的兩個主要的成因是自然地理因素和社會人文因素，另外，城市梯級地位因素、資源衰減因素和城市功能的殘缺性和非獨立性也是形成城市邊緣屬性的重要原因。
  12. Chen, w. ; tomson, m. b. ; hughes, j. b. 2006, “ sequestration and reduced bioavailability of hydrophobic organic contaminants in soil and sediment, ” presented in setac asia / pacific 2006, beijing, china

    陳威2005 ， 「利用自然衰減法修復受污染土壤和沉積物」 ，首屆北京生態建設國際論壇，北京。
  13. Standard guide for remediation of ground water by natural attenuation at petroleum release sites

    在石油釋放場所根據自然衰減進行地下水補救的標準指南
  14. Analyses the characteristics of transmission, natural attenuation, regeneration and superposition of noise

    分析了空調系統噪聲的傳遞、自然衰減、再生和疊加特性。
  15. Thursday, may 24 ( healthday news ) - - skin lotion with vitamin a ( retinol ) may help reduce wrinkles caused by natural aging and help boost production of skin - building compounds, say u. s. researchers

    每日健康新聞5月24日周四報道-美國研究人員宣稱，含有維生素a （視黃醇）的潤膚乳可減少因自然衰老引起的皺紋，並可促進塑膚化合物的形成。
  16. ( c ) land natural productivity increase from 7843 kg / ( hm2 - a ) to 17335 kg / ( hm2 - a ) relate to altitude closely, and the mean rate of enhancing yield is 23. 53 percent in this region with annual enhancing - rate of 0. 64 percent in last 15 years. ( d ) there are many facters that have been influe ncing soil effective coefficient that ' s soil organic matter, total nitrogen, effective phosphine and soil texture in turn. in a word, attenuation cause of land productivity is the result of water and soil. ( e ) the forestland potential productivity change from 3986 kg / hm2 to 15034 kg / hm2, but it has a high distinction between southern aera and north area in yaan city. ( f ) the grassland potential productivity increase from 4085 kg / ( hm2 - a ) to 16973 kg / ( hm2 - a ), but it has a high classification of potential productivity, ( g ) ditribution map was formed of potential land productivity. ( h ) it could be act as decision support for agriculture development, national land planning and ecotop constructive, etc

    5 、土地自然生產潛力水平的主要土壤限制因素為有機質、全氮，其次為速效磷和土壤質地；區域潛在生產力差異的制約因素，主要為土壤，次為水分，水、土兩項衰減合計為45 . 99 ，石棉、漢源兩縣水、土衰減達到60左右。 6 、林地潛力在3986 15034kg / hm ~ 2之間，高等級林地比重小，以大相嶺為界，北部的各縣林地生產力水平高，南部的兩縣林地生產力水平較低。 7 、天然草地生產潛力水平高，潛力在16973 4085kg / （ hm ~ 2 ? a ）之間，以高產的一、二、三級草地為主，且近10年來該比例變化不大。
  17. Based on successive regression study of observation data, the authors ascertained the factors having influence on the fluctuation in the bai spring discharge, established the regression equation and the prediction model, and calculated the exploitable karst water resources under natural conditions

    摘要本文通過對輝縣自泉泉水流量動態的分析，確定了泉水流量動態的影響因素，建立了泉水流量的衰減方程和泉水流量的預測模型，預測了天然狀態泉水流量，評價了泉域巖溶水的開采資源。
  18. A third possibilty is that ivc colapsed primarily due to natural reasons ( climate change, tectonic activity along the subduction zone along the indo - asian plate boundary ) and that there was no indo - aryan invasion that took place

    印度河流域文明衰落的第三個可能是由於自然因素（氣候改變，伴隨著印度雅利安人進入的可建造區域減少） ，並沒有印度雅利安人入侵的發生。
  19. While the elderly will be different, because of aging, shrinking oral glands, saliva secretion natural decrease, brushing, mouthwash, especially after dinner, france ' s right to maintain oral health, prevention of oral diseases is a very important measure

    而老年人就不同了，由於衰老，口腔腺體萎縮，唾液分泌量自然減少，刷牙、漱口，特別是飯后、臨睡前對保持口腔衛生，預防口腔疾病是一個很重要的措施。
  20. A natural sounding headphone should have a gentle hump in the bass ( about 3 or 4 db ) between 40hz and 500hz. ( this compensates for the fact that headphones don ' t give you the physical punch that the sound from a speaker has ; so a slight compensation of increased bass is needed for natural sound. ) headphones also need to be rolled off in the highs to compensate for the drivers being so close to the ear ; a gently sloping flat line from 1khz to about 8 - 10db down at 20khz is about right

    這大致是說，耳機頻響曲線在低頻40 - 500赫茲間有個小的隆起是正常的，因為耳機不能象喇叭那樣給人真實的低頻沖擊力，所以在這個低頻段加強一些，聲音反而自然逼真些.另外，為避免太刺激耳朵，耳機在1000赫茲起到耳朵聽力的極限20000赫茲間應該有衰減，到2萬赫茲處比平均輸出低8 - 10分貝是正常現象
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