落速 的英文怎麼說

中文拼音 []
落速 英文
[物理學] terminal-velocity
  • : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  1. It starts from rest and falls vertically downward with uniform acceleration.

    它從靜止開始以勻加度豎直下
  2. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、效p和效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  3. Shoots grow in flushes, showing rapid growth, then stopping as the apical bud aborts

    花苞最先開始快的漲大,花苞的尖牙會自然的掉
  4. Backwards, he thought. full speed ahead backwards.

    一切都後了,他想,欲則不達了。
  5. The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew

    運用改進模型對南方紅豆杉種群在不同海拔梯度的種群優勢度增長進行了探討,表明海拔790m處的南方紅豆杉具有較大的環境容納量,但增長度不快,海拔990m處的南方紅豆杉種群環境容納量不高,但具有較大的增長度,這可能與群的發育階段不同有關,兩地海拔均為南方紅豆杉適宜的生長海拔高度,相比而言,海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高度更宜於南方紅豆杉種群的生長。
  6. By means of this, it has also looked for the basic cause of our industry falling behind the iron and steel powerful iron and steel countries in the world. the paper has described the ultimate way of building our country from big iron and steel country to powerful iron and steel country

    通過對技術進步貢獻率的測算和分析,找出我國鋼鐵工業後於世界鋼鐵強國的根本原因,闡述了我國從鋼鐵大國走向鋼鐵強國的根本出路和加技術進步的對策措施和建議。
  7. Snapdragons, calceolaria and larkspur will drop their floret rapidly.

    金魚草,蒲包花和翠雀花的小花迅
  8. Snap dragons, calceolaria and lark spur will drop their florets rapidly.

    金魚草,蒲包花和翠雀花的小花將迅
  9. A catbird, the northern mocker, lit in a tree over tom s head, and trilled out her imitations of her neighbors in a rapture of enjoyment ; then a shrill jay swept down, a flash of blue flame, and stopped on a twig almost within the boy s reach, cocked his head to one side and eyed the strangers with a consuming curiosity ; a gray squirrel and a big fellow of the " fox " kind came skurrying along, sitting up at intervals to inspect and chatter at the boys, for the wild things had probably never seen a human being before and scarcely knew whether to be afraid or not

    有一隻貓鵲一種北方的學舌鳥在湯姆頭頂上的一棵大樹上下來,模仿著它附近別的鳥兒的叫聲,叫得歡天喜地。隨后又有一隻?鳥尖叫著疾飛而下,像一團一閃而過的藍色火焰,到一根小樹枝上,湯姆幾乎一伸手就能夠到它。它歪著腦袋,十分好奇地打量著這幾位不之客還有一隻灰色的松鼠和一隻狐貍類的大東西匆匆跑來,一會兒坐著觀察這幾個孩子,一會兒又沖他們叫幾聲。
  10. You can sit in one of the modified high - powered jeeps of the professional operators, and drive through water, over rocks, whirl about on the sand, and then hurtle downwards from the top of a sand mound as high as a five - story building. your heart will really race - there s simply nothing to compare with it ! sand dunes rising and falling just near the beach are one of the masterpieces created by the chinook - type wind that blows down off pingtung s mountains

    九棚與港仔兩大沙漠,面積廣達二百多公頃,冬季時,屏東特有的山風捲起狂沙,在海灘堆積出綿延的沙丘,坐在飆沙業者特製改裝的強力吉普車上,涉水越石在沙上橫沖直撞再從五層樓高的沙丘頂端垂直俯沖,直令人心跳加,大呼過癮!
  11. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  12. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上,利用銀河系的三成分( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (氣體,分子云,大、小質量恆星以及剩餘物質)的化學演化的理論模型,通過與觀測約束(質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗模型的合理性。
  13. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段曲線擬合,計算出落速
  14. The falling speed of cloud droplets is small and falling cloud droplets are not very effective in scavenging smaller particles.

    雲滴下落速度不大,下降的雲滴對清除較小粒子並不十分有效。
  15. Safety falling velocity

    安全降落速
  16. This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation

    本文分析了雨場和雨滴的各種特性,給出了雨滴降落速度的計算公式,利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率,同時還採用統計學手段對雨場模擬的方法進行了研究。
  17. The falling speed of water drops in air has been measured.

    水滴在空氣中的降落速度被測量過。
  18. By studying the inner regions of nine elliptical galaxies with chandra, scientists can now estimate the rate at which gas is falling toward the galaxies ' supermassive black holes

    科學家使用錢德拉研究了9個橢圓星系的內區,估計出了星系中心特大質量黑洞的氣體下落速率。
  19. Tim, i ' m coming in a little hot

    蒂姆,現在降落速度有點偏快了
  20. Galileo climbed the leaning tower, not because he needed to check how quickly a lead weight would fall, but because it was the only way to convince the sceptical merchants of pisa that gravity was not a purely theoretical construct

    伽利略爬上比薩斜塔,並不是因為他要查驗鉛球下落速度的快慢,而是因為這是他要性將信將疑的比薩商人們證明,地心引力並不是純粹理論化的概念。
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