自然系統 的英文怎麼說

中文拼音 [zìránxìtǒng]
自然系統 英文
natural system
  • 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）...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 自然 : 自然at ease; natural; free from affectation
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. This is the first systematic taxonomic study that has been carried out on wild agarics under the woods of tsuga chinensis var. techekiangensis and pinus massoniana of wuyishan nature reserve

    傘菌是森林生態系統中的重要組成部分，武夷山自然保護區的菌物資源十分豐富，迄今為止尚未有人系統地對其做過研究。
  3. The torpedo control system structure based on field bus technology has also been studied in this dissertation. presently, ccs is still widely used in the torpedo and there are many problems holdback the development of the torpedo control system, such as emi. by the introduction of the conception of " open bus system " to the torpedo control system, the performance of system can be improved greatly

    本文還研究了基於現場總線技術的魚雷制導系統結構，目前魚雷控制和自導系統仍然主要採用集中式控制結構，存在諸多困擾魚雷控制系統發展的問題（如電磁干擾等） ，在魚雷制導系統中引入開放式總線系統概念（即將現場總線引入魚雷制導系統中） ，可以極大地提高魚雷控制系統的性能，解決原先存在的許多問題。
  4. In terms of material category, it corresponds with the " natural system " and " inhabitation system "

    在物質范疇上來講，它主要對應對于「自然系統」和「居住系統」 。
  5. During the 1960s, scientists began to examine how natural systems, such as the weather, change with time

    1960年代，科學家開始研究自然系統（譬如天氣）如何隨著時間演變。
  6. Just as the actions of the wolf echo through yellowstone, they will reverberate into the future as they help to increase the understanding of natural systems

    如今，灰狼的嗥叫? ?在黃石公園，當?們幫助我們增進對自然系統的了解時，其成果也將在未來繼續得到?響。
  7. On the horizon are other threats to humanity and nature in the form of exploding technologies that may place humankind and natural systems in even greater catastrophe

    飛速發展的科技給人類和自然帶來的其他威脅已露端倪，這些科技可能會把人類和自然系統置於更大的災難當中。
  8. Part 3 : the paper set out from big system and coordination view, use the systematic dynamics method to analyse all - sidedly that the city expands the relation with various kinds of ecological factors, and natural factor discern mode of city develop, point out city ecological problems are production by improper use the environment ecological factor during city expand, it cause the problems production, such as the function of natural system disappearance or lose efficiency ; systematic circulation obstruct, material energy transform efficiency being low, and so on

    第三部分：從大系統大協調觀出發，運用系統動力學方法全面分析城市擴展與各種生態因子的因果關系，及城市發展的自然因子識別模式，指出城市生態問題的產生是由於城市擴展對環境生態因子的不當使用，導致自然系統功能的缺失或失效，系統循環受阻，物質能量轉化效率低下等問題的產生。
  9. While there are still much question in gas feed system, such as low precision of measurement, bad manangement, simple control method, low gas utilization, and etc. gas feed automation system being introduced in this paper was put forward just under such application background

    而目前氣舉配氣系統還存在諸多問題，例如計量精度低、管理落後、控制簡單、天然氣利用率低等問題。本文所介紹的氣舉採油配氣自控系統正是在這樣的應用背景下提出來的。
  10. The gas feed automation system, which includes field instruments, gas feed controller, wireless remote supervising system, and so on, will realize following functions : gas flow measurement, gas pressure and temperature measurement, gas flow control, gas pressure regulation, intermittent gas lift, wireless remote monitoring, and etc. this paper will discuss the following content in detail : first part is introduction

    該自控系統包括現場變送儀表、氣舉配氣控制器和無線遠程監控等，主要完成天然氣流量計量、氣體壓力溫度檢測、天然氣流量控制、管道干壓調節、間歇氣舉以及遠程監控等功能。本文將會重點介紹以下內容：首先是概述部分，簡要介紹了氣舉採油技術和氣舉配氣系統的地位和現存問題，並介紹了配氣自控系統的主要性能和優點。
  11. Many fresh-water productions are low in the scale of nature.

    許多淡水生物在自然系統上的地位比較低。
  12. Ecological infrastructure ( ei ) is the critical natural systems that provide nature ' s service to cities and their residents, which is composed of not only the traditionally recognized green systems, but also suburban forests, farm land and natural habitats that are connected as an integral infrastructure

    摘要生態基礎設施是城市所依賴的自然系統，是城市及其居民能持續地獲得自然服務的基礎，它不僅包括習慣的城市綠地系統的概念，而是更廣泛地包含一切能提供自然服務的城市綠地系統、森林生態系統、農田系統及自然保護地系統。
  13. He is co - author of swarm intelligence : from natural to artificial systems

    他是《蟲群智慧：從自然系統到人工系統》的作者之一。
  14. As an indicator of biodiversity and the function of ecosystem, avian community plays important role in either the natural or artificial ecosystem

    鳥類是野生動物的一個重要組成部分，無論是對自然系統還是人造系統的生態功能和生物多樣性都具有重要指示作用。
  15. 2. coordination : the coordination means the cooperation among the fisheries units and related departments, and between the social system and marine fishery

    2 、協同性，指社會系統內各海洋漁業部門（也包括其它涉海部門） 、單位之間以及社會系統與海洋漁業自然系統之間的相互支持。
  16. Based on the overview of recent studies, it can be argued that, to get a high - quality urban life and to improve natural environments, the distributions of landscape pattern are required to be integrated with its functions

    這些研究的結論及其所揭示的規律將作為城市空間規劃與管理的依據，推動城市和人類自然系統的可持續發展。
  17. In the process of economic development, human economic system and ecological system inevitably affect each other. man ' s irrational action disturbs ecological system, so the cost of economic development is unavoidable

    在經濟發展過程中，人類經濟系統和生態自然系統之間必然存在相互影響，人類的集體非理性行為必然造成對生態環境系統的干擾，因而經濟發展成本是不可避免的。
  18. Ordinarily, we establish a material tracking system in such a way that : buy a material tracking system constructor platform, and then establish the system base on it. but if we establish a system like this, our systems may have some problem, for example performance problem

    生產線跟蹤系統便是一種典型的企業生產自動系統，現在業內流行的生產線跟蹤系統的構建方法多為:先購買第三方提供的跟蹤系統開發平臺，然後利用開發平臺提供的腳本及功能介面在其基礎上進行構架。
  19. The occurrence, forming and development of national musical aesthetic psychology is influenced and effected by the factors of mountain range, river system, climate of geographic environment in nature system, mode of production, political structure, philosophic thinking, patriarchal clan system in social system, and collective unconsciousness as deep psychological structure

    摘要民族的音樂審美心理之發生、形成與發展受到自然系統中地理環境的山脈水系、氣候因素，社會系統中生產方式、社會政治結構、哲學倫理思想、宗教宗法思想以及作為深層心理結構的「集體無意識」的影響與制約。
  20. However, the large - scale or medium - sized water works in guan zhong zone are independent each other as a self - existent system. being not form a united network, these separated systems ca n ' t cooperate mutually, so that the developed water resource ca n ' t be best used and often be wasted

    然而，長期以來關中地區大、中型水源工程基本上是自成系統、相互獨立，未形成有機的網路聯系，不能互補餘缺，使已開發的水資源得不到充分利用，造成了一定的資源浪費。
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