持續長度 的英文怎麼說

中文拼音 [chízhǎng]
持續長度 英文
persistence length
  • : 動詞1 (拿著; 握著) hold; grasp 2 (持有; 保持) keep; hold 3 (支持; 保持) support; maintain 4...
  • : Ⅰ形容詞(連接不斷) continuous; successive Ⅱ動詞1 (接在原有的后頭) continue; extend; join 2 (...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 持續 : 1. (延續) last; continue; sustain 2. (連續地) continued; sustained
  • 長度 : length; longitude; size; extent; footage
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢趨勢、生態位寬、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。
  2. Poor body mechanics, prolonged activity, repetitive motions, and fatigue are major contributors to these injuries

    導致這些傷痛的原因包括不正確的身體運動、時間活動、行活動以及過疲勞。
  3. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕大、風速小、蒸發量小、中下部樹皮保濕潤的時間;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細,孢蒴規則卵形,蒴帽兜形。
  4. By investigation on the relationship between period, quantity, extend of ostrinia furnacalis emergence and meteorological factors in qiqihaer, this paper analyzes the factors which effect on period, quantity, extend of ostrinia furnacalis about annual wave. the beginning time of ostrinia furnacalis pupae emergence depends on average temperature in may and june, weather conditions in july decide whether ostrinia furnacalis pupae finish ahead of time ; the beginning time of eclosion is decided by average lowest temperature and precipitation in may and june, and the end time of eclosion is decided by average lowest temperature in june and july, meantime, the length of time of ostrinia furnacalis eclosion and time of grub emergence influence on the extent of ostrinia furnacalis. an important condition of a great emergence of ostrinia furnacalis is that how temperature matchs humidity, which substantially result in reduction of maize output

    本研究項目通過對齊齊哈爾市玉米螟發生期、發生量、發生程與氣象條件關系的分析,找出玉米螟發生期、發生量、發生程年際波動的影響因子: 5 、 6月的平均氣溫決定了玉米螟化蛹開始的早晚, 7月的天氣條件決定玉米螟化蛹是否提前結束; 5 、 6月的平均最低氣溫和降水則決定羽化開始的早晚, 6 、 7月的平均最低氣溫又決定了玉米螟羽化結束的早晚;而玉米螟羽化時間的短和幼蟲發生的早晚影響了玉米螟的發生程;溫濕條件配合適當與否是促使玉米螟大發生的重要條件,玉米螟大發生又會引起玉米的大幅減產。
  5. As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china

    酉陽作為西南少數民族自治縣,區內自然條件差、經濟落後、水土流失嚴重,屬典型的水土流失型生態脆弱區,加之該區生產手段落後、經濟結構單一、而人口增過快,導致人地矛盾尖銳,陡坡耕作、過開墾,使生態環境加速惡化,因此,酉陽自治縣土地資源可利用可以作為西部水土流失型生態脆弱區的一個縮影。
  6. As the world economy goes to reginonalization, collectivization, the district economy is be coming more and more important in the world economy. the members of all the district economy organization make the inner - reginal trade, the movement of elements, the speed of economy increasing constantly because of the advantages of arens, resources and mutual supplements of economy structures, meantime, the members, who is not in the exclusivism andtrade protectionism, so china must make strong economic relationship between the countries ane areas nearby in order to develop the economy stably and taking eonomic cooperation and join the system of inter - reginal economy cooperation

    隨著世界經濟呈現出區域化、集團化的趨勢,區域經濟圈在世界經濟中所佔的地位也在逐步提高,各區域經濟組織成員由於地緣、資源優勢、經濟結構互補等原因,使得區域內部的貿易、要素流動、經濟增不斷增加,同時,對于區域經濟組織外的非成員則不可避免地造成排外主義及貿易保護主義。所以,對中國而言,為促進經濟的穩定增,就必須加強與周邊國家及地區之間的經濟往來,同時要進行全方位、多層次的區域性經濟合作,進而參與到國際區域經濟合作的體系中。
  7. This is a way of the sustainable development, the fundamentality way to china ' s economic growth, in which human development and the economy, the environment, the system are integrated

    這是一條將人的發展與經濟、環境、制相統一的可發展之路,也是我國經濟增的根本道路。
  8. From the angle of investors and the market, the counter eliminating market of gresham ' s law ( the bad money will drive out good ) will be formed, because a large number of listed companies abuse the earnings management systematically and lastingly, which, together with the ineffective supervision, will pose a direct threat to the existence and development of the chinese market

    因為從投資者和市場角來說,大批上市公司系統與性的濫用盈餘管理和期缺乏有效監管將形成劣幣驅逐良幣的逆向淘汰市場,從而直接威脅我國證券市場的生存和發展。
  9. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高場等資料,選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區,以夏季歐亞中高緯時間(時間尺屬于中間時間尺,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼、反復出現的環流過程為研究對象,定義了一個夏季歐亞中高緯流型指數,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型流型的界定方法,研究了典型流型的氣候特徵,分析了流型指數的年代際變化,以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  10. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可開發問題進行了比較深入的探討:全面回顧了「可發展」概念的由來與演變,對國內外「可發展」的研究現狀進行了述評,並對「可發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調,使模型更準確、更實用;對保證地下水資源可開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高審視地下水資源的可開發;指出了地下水資源可開發的進一步研究方向。
  11. Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star

    研究結果表明,在新實驗結果下, 』 3c不能充分燃燒,中子數密降低,中子源的時標變,這與熱脈沖agb星的現有模型出現矛盾。
  12. The lai wu is in the centre of shandong province, it ' s economic situation is get behind. so the icbc lai wu branch has many problem in the organization management. for example, the organization overstaff, the people is irresponsible for, culture is obdurate etc. as result, what is very important to the icbc lai wu branch to improve her strength is that build the modern bank system quickly and practice the reformation mightiness

    地處魯中、經濟欠發達地區的中國工商銀行萊蕪市分行,經濟環境較差,期粗放型經營遺留的問題較多,分行機構臃腫,人浮於事問題突出,面對挑戰和機遇,進一步加快現代銀行制建設,著力推進組織變革,對于實現萊蕪工商銀行的可發展,顯得重要而緊迫。
  13. Projecting into the second half of the financial year, although the global 3c products market appears to be weak and lacking in prospective drivers with the outlook of the global economy remains uncertain and bleak, the group will continue its own strategy and shift its focus from immediate to medium term sale, research and development on faster moving av products such as dvd players, tft - lcd monitors and television, plasma panel television, digital television, digital still cameras and mp3 players

    展望下半財政年,雖然環球經濟不穩,全球3c產品市場依然疲弱,集團仍會維目前的發展策略,將現時至中期的銷售和研發重心,集中於dvd機、 tft - lcd顯示屏及電視機、等離子屏幕電視機、數碼電視、數碼相機及mp3機等增迅速的影視器材。
  14. In this article, the author compares dl company ' s objective rate with its sgr, and judge the type of dl company ' s objective growth rate. then, the author points out that, in order to realize the balance between the objective growth rate and sgr, dl company should increase its sgr through raising the operation efficiency and revising the finance policy. at last, the author determines the appropriate objective growth rate in 2003

    以對企業增管理模式的理論探討為基礎,本文對dl公司2003年的增目標與其可率進行了詳細的分析,判斷其增目標的類型,從提高經營效率和改變財務政策兩方面入手提高其可率,從而實現其增目標的平衡,並最終確定了dl公司2003年的適目標增率。
  15. The histologic lesions were characterized by the remarkable atrophy of intestinal villi, basal vacuolation of enterocytes, increment of the crypt and the villus - to - crypt ratio had significantly decrease. compared with that of noninoculated control chicks. besides. intestinal villi become thin and flat. or cubic, also accompanied with necrosis. many villous enterocytes were detached from the lamina propria and the lamina propria contained a diffuse infiltrate of lymphocytes, plasma cells, macrophages. the characteristic ultrastructural changes observed by electronmicroscope were swelled mitochondria and dilated endo - plasticreticulum. ribosome on the surface of endo - plasticreticulum fall off and the number of ribosome within the cell decrease

    動物回歸試驗中接種兩周齡spf雞, 24h后陸發病,表現為性水樣腹瀉;剖檢可見病雞脫水、小腸內有大量的液體和氣泡、腸粘膜變薄;組織學變化為腸絨毛上皮壞死、脫落,絨毛平均減少而隱窩深增加,固有層中淋巴細胞浸潤。其臨床癥狀及病理組織學變化與自然發病相同。
  16. In high - performance aircraft the pilots are vulnerable to ci because of some of the aircrafts " characteristics, which include high sustained + gz ( hsg ) acceleration, high rate of onset and high angular acceleration etc. so it has all the while been attached much importance to the studies on the mechanism of ci and the preventing and overcoming method of ci by the researchers in aviation medicine field

    目前以f - 16 、蘇- 27為代表的高性能戰斗機,其所具有的高加速( + gz ) 、高加速率、高角加速的特點更易導致飛行中科里奧利錯覺的發生,嚴重危害飛行安全。因此,對科里奧利錯覺的機理及預防與克服研究在航空醫學中一直受到人們的重視。
  17. Continued in - depth training in mass casualty emergencies with an emphasis on a complete working knowledge of the start triage system, particularly below battalion chief level

    對重大傷亡緊急情況的性深培訓,尤其是在隊以下的級別重視start傷檢分類系統的完整工作知識的培訓。
  18. It researches on whether the economic growth is sustainable from the angle of driving structure including investment, technology and government policy. it studies the growth benefit shared by all income groups from the perspective of sector structure, i. e. industry structure and employment structure. it discusses the effects of resource location from the relationship between trade structure and industry structure

    由增的動力結構包括從投資、技術和政府政策三個方面,來考察增能否可進行;從部門結構即產業結構與就業結構的角,來分析社會各階層對增利益的分享;由貿易結構與產業結構的關系來分析資源配置的效應;通過對現行的結構分析,總結出泰國在經濟增的可性、社會與地區的均衡發展方面都存在著問題。
  19. Weather section in shanghai call that from july 19th to august 1st, that city has already continue 14 daylights the tallest air temperature is above 35 celsius degrees, creating 50 in the last years shanghais continuously heat the most long record

    中國上海氣象部門稱,從7月19日至8月1日,該市已連14天日最高氣溫在35攝氏以上,創造了50年來上海高溫的最紀錄。
  20. External milestones are the points where the team and customer review work to date and agree to proceed with the project, appear as a task with a duration of zero work units, and are exposed on customer reports

    外部里程碑是團隊和客戶評審當前工作,並同意繼進行項目的點,它作為持續長度為零個工作單元的任務出現,並且公佈於客戶報告中。
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