數量稀少 的英文怎麼說

中文拼音 [shǔliángxīshǎo]
數量稀少 英文
few and far between
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 少 : 少Ⅰ形容詞（數量小） few; little; less Ⅱ動詞1 （不夠原有或應有的數目; 缺少） be short; lack 2 （丟...
  • 數量 : quantity; quantum; amount; magnitude; number
  • 稀少 : few; rare; scarce; few and far between
  1. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  2. Grantham s camellia is very rare in hong kong, which usually found in woodland

    大苞山茶的數量十分稀少，散生於常綠闊葉林中。
  3. The total number of the inhabitants will be small.

    其全部生長物的數量亦必稀少。
  4. In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast

    本文選用移動擬合法建立航道曲面函數，插值計算航道測量區網格點的深度值，並且根據航道測量點分佈的不規則性進行了優化，即在測量點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算，兩種插值方法的合理結合，不僅保證了插值的精度，特別是提高了插值的計算速度。
  5. From now on, our shop will supply you with special lotus tea which follows the ming dynasty to made. and also, you will be supplied with different kind of tea food while you enjoy the fantastic tea. because of the sparsity make a booking before you come will provide you a convenience

    由現在起每逢五六日，本坊推出按古法精製之荷花茶，連同數款啖啖茶香的精緻茶食，供各位知音品嘗，由於荷花茶製作煩瑣，數量稀少，欲品嘗者請提早訂座。
  6. The results suggested that the type cells may be derived from type cells

    含大而稀疏顆粒的型細胞其顆粒數量少、電子密度差異大，並且囊泡樣物質增多。
  7. Within the framework of sparse bayesian learning, the algorithm extends the relevance vector machine by combining global and local kernels adaptively in the form of multiple kernels, and the improved locality preserving projection ( llp ) is then applied to reduce the column dimension of the multiple kernel input matrix to achieve less training time

    在稀疏貝葉斯學習的框架下，該演算法首先以多核形式自適應結合全局核函數和局部核函數擴展相關向量機，然後應用改進的保局投影來約簡多核輸入矩陣的列維數以減少訓練時間。
  8. It adopts the hierachical clustering in vocabulary vsm model because of its special function, on the other hand enriches the subcategory tagging information by rules, it can decrease me data sparse problem, and introduces the confidence intervals into the model for the selection of priority between statistics and rules

    另外還對標注模型從兩方面作了優化，由於詞匯特徵向量的特殊作用，本文對特徵詞匯採用層次聚類來提高其分類精度；另一方面，引入規則來進一步豐富細分類標注信息，減少數據稀疏等問題，並且引入置信度來選擇統計與規則的優先關系。
  9. Aa5 rare, 60k printed

    另aa5字頭，數量稀少60000
  10. And because hydrogen service stations are still few and far between, refueling would be problematic at best

    而且由於充氣服務站仍然數量稀少又距離遙遠，燃料的補充就是個大問題。
  11. Hot balloons sport just begin in china so less in quantity, it is very obviously that marvelous business opportunities exist

    在中國由於熱氣球運動剛剛起步，數量稀少，所以它蘊涵的巨大商機就更加顯而易見。
  12. Hello, welcome to our home. look at my baby. isn ' t he cute ? he is sleeping now. well, let me tell you something about us pandas

    大熊貓數量稀少，是我國的「國寶」 。要更好地保護它們，就要更多地了解它們。讓我們一起去采訪一下大熊貓吧！
  13. The emerging consensus is that the early universe was dominated by a small number of giant galaxies containing colossal black holes and prodigious bursts of star formation, whereas the present universe has a more dispersed nature ? the creation of stars and the accretion of material into black holes are now occurring in a large number of medium - size and small galaxies

    目前逐漸形成的共識是，早期宇宙是由數量稀少、但含有巨大黑洞，且恆星形成率超高的巨型星系所主宰，今日的宇宙則具有較零散的特性恆星的誕生與黑洞吸積物質的作用，發生在龐大數量的中、小型星系內。
  14. Our research was mainly focused on the transcription pattern of xist in preimplantation mouse embryos.

    但是由於胚胎發育早期xist轉錄本數量的稀少而難以達到很好的效果。
  15. Marine microorganisms and the pollen of mangroves ? trees that thrive in salty seawater ? turned up in my rock samples, but only rarely and over short time intervals

    海洋微生物、紅樹林（能在含鹽份的海水中生存的樹木）的花粉，也出現在我的巖石樣本中，但是數量十分稀少，時間間隔也很短暫。
  16. To get sparse sample library and reduce eigenvector dimension, a new concept of reconstructing sample library and its corresponding algorithm are introduced and presented, respectively

    提出重構樣本庫的概念及構建演算法，獲得稀疏樣本庫，減少特徵向量維數。
  17. On the portfolio credit risk analysis, this thesis, based on the credit data ’ s scarcity in china, puts forward a nonparametric method to measure the default correlation coefficients between china ’ s listed companies, and then presented a numerical example to show how to use it in practice

    在組合信用風險分析方面，本文在以往研究的基礎上，並針對中國信用數據十分稀少的實際情況，提出了一種對中國上市公司間違約相關系數進行度量的非參數方法，最後用一個數值例子來說明這種方法在實際中的應用。
  18. Instead, there needs to store only the original coefficient matrix, some auxiliary matrices for the preconditioner and several vectors in the iteration methods. further, the core of the iteration is the matrix - vector multiplication and the solution of the auxiliary equations corresponding to the preconditioner. if the solution of the auxiliaries spend not very much, the computational cost in each iteration step will be very cheap, due to the fact that the sparsity of the matrix can be exploited sufficiently

    與直接法相比，迭代法只需存儲原系數矩陣、對應于預處理的幾個輔助矩陣與少量幾個向量，且迭代中除求解輔助線性方程組外，其餘的計算主要是稀疏矩陣與向量乘積，從而能充分利用稀疏性減少計算量，但迭代法的收斂速度一般與系數矩陣的譜分佈有關。
  19. The fuzzy exponential smoothing model has been used for short - term forecasting with a minimum of collected data or unknown system structure to determine a better extrapolative interval in a fuzzy set for an unknown future trend

    摘要模糊指數平滑模式對于資料量稀少或系統結構模糊不清之問題，能求解吻合資料未來趨勢的外差模糊預測值，以成功求解未來不確定高的短期預測問題。
  20. For the special location and the southbound shift of the economic centrality, the population of three gorges including the districts of minor nationalities as tu, had been ever increasing in a great way in the song dynasty. but the absolute quantity is not large, so the population density was still low

    由於特殊的地理位置，加上經濟重心的南移和移民的發生，整個宋代三峽地區包括土家族等峽區少數民族在內，人口基本上是一直呈增長趨勢的，且有時增長幅度較大，但絕對數量並不多，仍屬于地曠人稀的地區。
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