指數生長曲線 的英文怎麼說

中文拼音 [zhǐshǔshēngzhǎngqūxiàn]
指數生長曲線 英文
exponential growth curve
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 長 : 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;...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  • 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. 6 ) after passage, the qinchuan - scalper skin fibroblast cells were in lag phase in first two day, then entered log phase and persisted six days, they stayed at plateur phase for about three days ; the mitotic index were most high at the fifth day after culture and toboggan at the sixth day

    從生長曲線可以看出，以低糖dmem培養第4代秦川牛皮膚成纖維細胞，接種后滯留期縮短，約一天左右，之後為對數生長期，持續六天左右，進入平頂期。分裂指數最高時期在培養開始后的第五天，第六天急劇下降。
  3. 3. the growth dynamic of artificial vegetation in shapotou region in shapotou area, the growth curve of shrubs was like the form of " s ". the stagnant period of growth was in april, the exponential period of growth was from may to july, the stable period of growth was from august to october

    3 、植被生長動態:研究區內灌木植物生長曲線呈s型，生長停滯期在4月左右，生長指數期在5月到7月，生長靜止期在8月到10月， 10月前後停止生長。
  4. The main parameters influencing relative elongate on are analysed by research on experiment of size prediction of thick - walled tube without mandrel by open - die cold extrusion, and their curves of changing rule are given, which applies reference in order to direct practical production

    本文通過對厚壁管件無芯棒開式冷擠壓尺寸預測的實驗研究，分析了影響相對伸長量的犯要參數，找出了它們與相對伸長量之間的變化規律曲線，為指導實際生產提供了依據。
  5. The east transect was classified thirty five vegetation types using ndvi data from 1995 - 1996 by gis technique. the paper concludes that the ndvi from meteorological satellite is sensitive indicator of vegetation growing condition, times series curves of ndvi can truly curve vegetation growing principle by drawing the seasonal change curve of ndvi data by three groups. the paper also concludes that the forest ' s ndvi curve is commonly single apex, while farmland ' s or shrub ' s curve is mostly double apex, the peak value of forest ' s ndvi is commonly higher than grassland, farmland and some other vegetation types

    應用地理信息系統技術處理1995 - 1996年1kmndvi數據，將南方樣帶劃分為35類，分三組繪制35類植被的ndvi季節變化曲線，得出氣象衛星ndvi是反映植被生長狀況的敏感指示器， ndvi時間序列曲線真實地刻畫出植被的生長規律；經分析得知森林ndvi曲線一般為單峰曲線，而農田灌叢多為雙峰曲線；森林ndvi峰值一般高於草原、農田等其它類型。
  6. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點序列（根據預先指定的速率函數進行分佈）的實際工程需要，本文系統地推導了變速率插值運算元的泰勒系數，給出了當路徑為ph曲線，速率v為常數，及時間t 、弧長s 、曲率k的函數時具體的插值運算元。
  7. This paper starts from the development of container transportation in the world and in our country. it analyzes the situation of the main ports and branch ports. based on the forecast model named line regression, index regression and logis regression, the paper forecasts the throughout of shanghai, qingdao, shenzhen ports

    本文從國際和我國集裝箱運輸的發展狀況出發，分析了內支線港口和國際集裝箱港口的發展概況和戰略選擇，並利用線性模型、指數模型和羅傑斯生長曲線預測法對上海港、青島港、深圳港的國際集裝箱吞吐量做了預測，為其發展建設提供了重要的參考依據。
  8. An exponential growth curve starts off slowly and increases faster and faster as time goes by ( called the log phase )

    指數生長曲線開始時很低，但隨時間的增長，其增長得越來越快（稱為指數期） 。
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