duration of time 中文意思是什麼

duration of time 解釋
持續時間
  • duration : n. 1. 持久,持續。2. 持續時間,存在時間;期間。adj. -al
  • of : OF =Old French 古法語。
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. 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高度場等資料,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,以夏季歐亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、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典型持續流型的界定方法,研究了典型持續流型的氣候特徵,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。
  2. Where 10 oral questions are to be asked at a meeting, the duration of question time shall be not more than two and a half hours

    若有10項口頭質詢在會議上提出,質詢時限為兩個半小時。
  3. The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts

    論文在富縣探區首次應用陸相層序地層學的觀點和方法,把延長組劃分為6個三級層序,平均時限4 . 5ma ,各層序由三角洲與湖泊相砂、泥巖沉積組成,主要在低位體系域和高位體系域發育水下(上)分流河道和河口砂壩砂巖儲層
  4. The time required until occlusion of the venules and the duration of the occlusion were measured

    測量了小靜脈閉塞所需要的時間和閉塞的持續期。
  5. The results show that the influences of duration and amplitude of stress wave on spallation process of rock under stress wave loading are important ; and stress wave with different waveforms is characteristic of different stress values and different stress loading ratios during the same period of time, which brings about the comprehensive effect when difform stress wave is loaded to medium

    通過對不同應力波延續時間、不同應力波峰值和不同應力波波形下應力波誘發層裂過程的數值分析,對應力波反射誘發層裂的規律和機制進行探討。
  6. If you want to schedule a task over a continuous period of time, including nonworking time, you can specify an elapsed duration

    如果要在連續的時間內排定任務,其中包括非工作時間,則可以指定「 24小時制工期」 。
  7. Elapsed duration is the amount of time a task will take to finish, based on a 24 - hour day and a 7 - day week, including holidays and other nonworking days

    24小時制工期則指:基於每周7天(包括節假日及其他非工作日) 、每天24小時為正常工作時間計算出的任務完成時間。
  8. Put down the name of the observer, the place and time of observation, duration of observation, cloud cover, the sky s limiting magnitude the magnitude of the faintest star you can see with the naked eye and the number of meteors observed on the data sheet

    流星雨的觀測資料,只要清楚註明觀測者姓名觀測地點觀測時間觀測長度雲量最暗可見星等及流星數目,便已經是一份十分有科學價值的觀測記錄了,很簡單,對嗎?
  9. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed

    由於葉片振動持續時間很短,且振動頻率在音頻范圍之內分佈較廣,故在設計以單片機為核心的測頻儀時採用了變閘門測頻法,該方法具有精度高、速度快的優點。
  10. The duration of the quenching pulse should exceed the recovery time of the counter.

    淬火脈沖的持續時間應當超過計數器的恢復時間。
  11. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定
  12. In the egg laying industry, the bodies of laying birds often suffer from deteriorated resistance to disease, short duration of the peak period of egg laying time and low rate of egg production due to the laying houses incomplete disinfection, poor sanitation, low - intensity light and lacking ventilation

    在蛋禽飼養中,由於禽舍消毒不徹底,環境衛生較差,光線不足,通風不暢等原因,導致蛋禽機體抗病能力較差,產蛋高峰期持續時間較短,產蛋率降低。
  13. At the same time, the power capacity of the above mentioned antenna is preliminarily analyzed. the results show that in the pass band, their power capacities increase with the frequency on the whole, ranging from 10 ’ s kw to 100 ’ s kw. with the change of the pulse duration of microwaves, the measurement is carried out on the sensitivity of the detectors of the types wb - cd01 and 2087 - 6001 - 00, on the attenuation of the

    通過調整微波脈寬,對wb - cd01型、 2087 - 6001 - 00型等檢波器的靈敏度,對2082 - 4137系列和tts系列衰減器的衰減量,對rg - 142型微波電纜的衰減量進行了實驗測定,結果表明:在微波脈寬大於40ns時,檢波器靈敏度基本無變化;當微波脈寬在20 ~ 40ns時,檢波器靈敏度會有一定變化,變化趨勢和程度與檢波器的型號有關;而上述型號的衰減器和微波電纜的衰減量幾乎不受微波脈寬的影響。
  14. As this is a pilot scheme, apns are appointed for a fixed period of time to tie in with the duration of the scheme

    由於這是一項先導計劃,資深護師均按固定期限受聘,以配合計劃的推行期。
  15. The incubation period, which is the time from exposure to a causative agent to onset of disease, is particularly important as it forms the basis for many recommended control measures, including contact tracing and the duration of home isolation for contacts of probable sars cases

    潛伏期,即從接觸致病體到開始發病的時間,因它形成許多推薦的控制措施而特別重要,包括跟蹤接觸史和對sars疑似病例的接觸者的家庭隔離時間。
  16. Still more recent is our realization of the immense duration of our universe in time.

    至於我們理解到這個宇宙在時間上的無限悠久,那更是較新近的事了。
  17. In this paper, monte carlo ( mc ) method is used in the research of distributing of construction duration and computation of time parameter of pert network. according to probability viewpoint, critical line and key degree of activity in the network are also defined. aiming at the limitation of application of the mc in large scale the network, the simplified computational method for the network is presented with quantum probability theory and composite method of path in network

    本文用mc ( montecarlo )方法研究了施工工期的分佈規律和pert ( programevaluationandreviewtechnique )網路的時間參數的計算;用概率論的觀點定義了pert網路主導線路和關鍵度;針對大型施工進度網路mc方法應用的局限性,採用線路合成方法,引進當量概率概念,提出了pert網路的簡化計算方法;根據工程搭接施工網路的特點,將其轉化為廣義pert網路,探討了其施工進度風險的計算。
  18. Method to evaluate pile capacity precisely by using the coefficient of cleaning slime and coefficient of construction process and by controlling the total duration of construction is proposed herein after analyzing the influences of slime at pile bottom, thickness of mudcake by the side of pile, shape of hole wall, time of construction and construction process on the bearing capacity of large diameter cast - in - place pile

    本文通過分析樁底沉渣、樁側泥皮厚度、孔壁形狀、成樁時間及施工工藝等對大口徑灌注樁承載力的影響,提出了在樁承載力計算中引入清底系數及成樁工藝系數,並控製成樁總時間以較準確地評價單樁承載力的方法。
  19. Such question includes of what levels of the stress can be induced by different levels of shaking. failure criteria and the duration of time without failure of damaged column under the long - term loading are not confirmed. performance of damaged columns after repair will respond to a second or more earthquake attacks

    例如不同程度地震荷載對外包frp的影響,損傷柱在長期荷載作用下的破壞準則和工作時限, frp徐變對損傷柱殘余性能的影響,損傷柱的修復手段及抗震性能的恢復情況等。
  20. Note : duration of time - off granted under csr 904 should be less than half - a - day

    備注:根據《公務員事務規? 》第904條批準?開工作崗位的時間,應少於半天。
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