useful length 中文意思是什麼
useful length
解釋
有效長度-
Specifying length of useful life of the asset
數據類型，指定資產的可用年限。 -
Specifying the length of the useful life of the asset. period
，指定資產使用期的長度。 -
Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region
文摘:通過對阿克蘇棉區棉花氣候產量與不同長度時段、不同類型溫度要素的相關分析，結果表明： （ 1 ）採用不同長度時段的日溫度要素與棉花氣候產量進行相關分析，比採用旬溫度要素的工作更細致，更合理，更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫度要素； （ 2 ）在平均溫度、最高溫度及最低溫度3個溫度要素中，以最高溫度對棉花氣候產量的影響最大，其次是平均溫度，最低溫度最小； （ 3 ）春末及夏季的低溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。 -
Based on the theory of geometrical optics, the relationship between the axial force exerted on the micro - sphere particles in the mie scattering field and the main parameters of laser is calculated quantitatively when the absorption is considered. the results not only show the relationship between the axial force and some parameters, that include the absorption coefficient of microscopic particles, the laser wave - length, power and so on, but also are useful for choosing parameters in experiments
摘要以射線光學模型為基礎，對微粒直徑遠大於激光微束的米氏粒子在考慮對光的吸收時軸向力與光源參數的關系進行了計算，計算結果給出了軸向力與微粒的吸收系數、波長、激光功率等參數的關系，為實驗中參數的選擇提供了依據。 -
Also the influences of the length, diameter, and the ratio of the stiffness of pipe to the stiffness of soil on the bearing mechanisms are discussed. based on these, some useful conclusions are reached
然後從樁長、樁徑以及樁土剛度比等角度分析了其對單樁承載力、內外側摩阻力、樁端平面應力分佈、軸向荷載傳遞、樁身截面位移等的影響。 -
First, the implementation project of the if digital receiver of tdrss user transponder by the fpga and dsp cooperation design method is proposed in this thesis. then, the software simulation system for the if digital receiver is built up, definite word - length effect is analyzed, and some useful conclusions are derived, which provides reference for the following hardware design and debug
本文首先採用fpga與dsp協同設計的方法實現該接收機的方案，然後建立了該中頻數字接收機的軟體模擬系統，對有限字長效應進行分析，得到了一些重要結論，為下一步的硬體設計和調試提供了參考。 -
Chassis frame useful length
車架有效長度 -
The following principles are proved : increasing cfp adhesive length will release the concentrating of shear stress near the cutoff point, this will lead to the increment of loading - bear capacity of concrete beams ; increasing the thickness of cfp will improve the transition of load from concrete beam to cfp, this is useful to exert the potential of cfp ; in creasing the anti - shear modulus of adhesive will result enhance the concentrating of shear stress, this is harmful to the effect of cfp reinforced concrete beams
本文的理論分析結果可以表明：增加碳纖維板的粘結長度可以緩解碳纖維板端部界面上的剪應力集中，改善混凝土梁結構的加固效果；增大碳纖維板的粘結厚度可以增大界面上的剪應力，改善混凝土樑上載荷向碳纖維板的傳遞效果，有利於充分發揮碳纖維布的潛能；如果粘結膠層的抗剪模量過大會加劇剪應力的集中，從而對碳纖維加固的效果不利。 -
At the same time, the program corresponding to the proposed method is compiled in fortran90, which is used to analyze the influence of several factors on behaviour of barrettes, including ratio of length to width, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, possion ' s ratio, the finite layer etc. many useful conclusions are obtained from the above analyse
該方法考慮了壁板樁樁身橫截面的非軸對稱性，並用fortran語言編制了相應的程序，進而分析了多種因素對壁板樁承載特性的影響，包括長寬比、樁徑比、樁土剛度比、泊松比以及有限壓縮層深度等。 -
The enactment of the cutter is one of the important factor, in the aspect of cutter compensation, it only has radius compensation and length compensation in planar. in three - dimensions, especially on five - axis tandem drive numerical control machine, it still need further study. so in order to improve the working accuracy of numerical control machine, the study of five - axis cutter radius compensation in this paper is very useful
刀具的設定是影響機床加工精度的重要因素之一，就刀具補償而言，目前的數控機床只是在二維空間內具有刀具半徑補償、及刀具長度補償，三維空間內的刀具補償，特別是在五軸聯動數控機床上，由於刀具擺動軸的出現，使得刀具補償難以實現，還需進一步深入研究。 -
It may be useful to deepen the related study. in this thesis, some contents are studied as follows : ( 1 ) fractal characters of china coastline, mountain ridges, faults are studies roundly, including the fractal demarcating of the length of continental coastline of china, the spatial change of fractal dimensions of coastline from north to south of china, spatial relations of fractal dimensions of china coastline, mountain ridges, faults, etc. ( 2 ) fractal characters of china earthquakes, landslides and mud flow are studies roundly too, including the spatial relations of fractal dimensions of them, etc. ( 3 ) the fractal mechanism of china coastlines are discussed in different scales, including the pattern of the controlling effect of faults, crannies, etc. in a word, fractal characters of china main geomorphologic phenomena and geological disasters are studied in this paper, it is useful to deepen the related studies, and explore possible ways of geographical innovation of china
概而言之，本項研究對可以稱得上是一個典型研究區域的中國主要地貌與主要地質災害中可能存在的分形現象進行了系統探討，並以分維為中介參數對中國主要地貌與主要地質災害以及二者之間的空間關系進行了探討，從而在廣度上在一定程度上豐富了中國地學分形研究的基本素材，在一定程度上也填補了對中國中觀地學現象分形研究的空白；同時，本項研究還選擇了分形研究領域里最傳統、博士學位論文摘要最具代表性的海岸線為突破口和創新點，探討了中國海岸線分形性質的存在機制問題，研究了不同尺度下構造與物質組成對中國海岸線分形性質的影響，從而在深度上在一定程度上深化了傳統的分形研究，在實現地學分形研究從現象揭示到機制探討的轉變方面進行了率先的探索。 -
The plots showing the effect of length, duty - cycle and sensor performance are given. some useful conclusions are deduced, which give us another new practical way to fabricate working - well optical voltage sensor
文章討論了ppln不同長度、不同占空比對該電壓傳感性能的影響，並給出了圖示，得到了一些很好的結論，為製作光學電壓傳感器提供了另一種可行的新途徑。 -
The high titer specific ndrg2 antibody is indispensable to reseach deeply the functions or the tissue and subcellular distribution features of ndrg2, ha order to prepare ndrg2 antibody, the whole ndrgl sequence was cloned into prset - a vector and two truncated sequences of ndrg2 were cloned into pgex - 4t - l vector. after induced by iptg, the fusion proteins were expressed in e. coli ; rabbits immunized with the whole length ndrg2 protein were reinforced with two shortened fragments of ndrg2 ; after immunization, rabbits produced high titer antiserum against ndrg2. then antisemm was absorbed using ndrg2 antigen immobilized on nc filters, the purified product of antiserum shows high special to ndrg2 protein, and the separated inclusion body of 6his - ndrg2 will be useful for the further reseach
為制備高效價的ndrgz抗體，分別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原核重組表達質粒，並在大腸桿菌中誘導表達出相應的融合蛋白；用全長gstjqdrgz蛋白免疫兔，然後用gst ndrgz人和gstjqdrgze片段加強免疫，經免疫得到了較高效價的兔抗人ndrz多克隆抗血清，利用固定於硝酸纖維素膜上的ndrgz抗原親和吸附純化抗血清，提高了ndrgz抗體的特異性；並對包涵體形式表達的6his ndrgz進行初步的分離純化。 -
Another useful feature is that errors - such as exceeding the length of the sequence - are generally handled in a graceful manner
另一個有用的功能是以一種很合適的方式處理錯誤（如超過序列的長度） 。 -
This is where muscle testing is very useful ; as you can muscle test what you need and for how long and then only take the herb or dietary supplement for the length required ; and as a result you will not cause a toxic overload in the other direction
這也是為什麼肌肉測試是十分有用的；你便可以測試什麼是你所缺少的，你所需要補充的時間，然後食用相關的藥草和飲食來補充你所缺乏的。 -
This is useful for reporting a dynamic situation, where a message may be reporting one event such as road construction ahead, but the details of which change periodically the length of the traffic jam, for example
這對于報告動態情況比較有用，在這樣的情況下，消息可能正在報告某個事件（如前方道路施工） ，但事件的詳情經常改變（例如，塞車的長度） 。 -
Function is useful for formatting output and clearing data in fixed - length strings
在格式化輸出內容和清除固定長度的字元串中的數據時， -
It is shown that, by adopting supermirror guides with m = 2 instead of 58ni or natural ni guides, the transmission efficiency could be increased by the factor of 1. 3 ~ 1. 7, and the length of direct sight of the curved guides could be shorten greatly, which is useful for arranging shielding
研究表明，採用m = 2的超鏡導管較~ （ 58 ） ni導管或ni導管可以提高傳輸效率1 . 3 2 . 7倍，並使彎導管的直視長度變短，利於防護屏蔽安排。
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