速度極限點 的英文怎麼說

中文拼音 [xiàndiǎn]
速度極限點 英文
speed limit point
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Here a low cost optimal position system with speed - loop open and position - loop closed based on fuzzy control is presented, it employs fuzzy controller to verdict rotor velocity approximately and a fuzzy switching curve is substituted for real one to achieve bang - bang switch, no limit - loop or oscillation occurs. at the end of this chapter, a dc break curve is discussed

    為了實現經濟實用的定位系統,實際系統採用開環、位置閉環結構,量從模糊控制器得到,既不實測也不軟體估計,用模糊開關線代替真實開關線進行控制量狀態切換,無環或振蕩現象,而成本則大大降低。
  2. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密下的最佳優化系數,討論了一定彈道下的面密和厚隨優化系數的變化關系。
  3. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的電流密,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電式高容量電化學抑制柱,該抑制柱最高可將流為1 . 0ml / min ,濃為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優
  4. Since ureido - dcarbamido grease with high dripping temperature, long life, withstand high temperatures, high - speed, anti - water, it has broad industrial applications, but the ability of resisting high pressure is not well which limit its development more or less

    由於脲基潤滑脂具有滴高、使用壽命長、耐高溫高性、抗水性等優,使其在工業上具有廣泛的應用,但脲基脂本身的壓性能不高等缺陷在一定程制了其發展。
  5. Liquid helium cryocondensation pump has great advantages in large pumping speed, working pressure range and high ultimate pressure, etc. it ' s more excellent than any other vacuum pump. it can meet the vacuum requirement of nbi and can improve the transportation efficiency. the development of neutral beam injection ( nbi ) system in the world, the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis

    液氦低溫冷凝泵是利用低溫面對氣體有強吸附能力的原理,實現抽氣的真空獲得設備,它具有抽大、工作壓強范圍寬、真空高等一系列優,是普通真空設備無法比擬的,作為中性束注入系統的主抽泵,它能滿足中性束注入系統對大抽的要求,提高中性束的傳輸效率。
  6. In this paper, the mechanism and practical effect of existing coordinated control schemes are analyzed in detail, the advantage and drawback of the different coordinated control methods in practice are indicated clearly. this paper describes a fact that it is difficult to obtain rapid load response and stable main parameters at the same time by using the recent methods, underlines that heat release is the vital parameter that should be carefully controlled

    本篇在吸取了目前各種協調控制系統的優的基礎上,提出了改進后的協調控制方案,主旨為以控制鍋爐的熱量釋放信號為核心,採用具有內在穩定特性的控制方案,充分加快機組的負荷響應,在機組所帶負荷已經接近當時的,及時制輸出功率的增長,達到穩定機組的目的。
  7. After pretorsion the successor tensile yield limit and strength limit both improved very highly, but the trend of the increase of the strength limit was suspended till the pretorsional capacity reached 17, when the pretorsional capacity was greater than17 ( prestrain value was 81. 19 % of total strain ), the successor strength limit rapid failed and approached the yield limit. this illustrate the a3 steel specimen translate from plasticity into friability after pretorsion strengthen. when the specimen was operated by tension - torsion action, the yield limit had very large improved, but the strength limit changed very little. furthermore, the trend of the increase of the strength limit was suspended till the pretension capacity reached 0. 25 ( prestrain value was 66. 93 % of total strain )

    A3鋼試件在預扭轉后,后繼拉伸屈服和強均有很大提高,但強的增大趨勢到預扭轉量為17為止,預扭轉量大於17 (預應變值為總應變的81 . 19 )后強下降,與其屈服接近,這說明a3鋼試件經預扭轉強化后逐漸由塑性轉化為脆性。該預應變值為a3鋼試件的韌脆轉變。 a3鋼試件在拉伸-扭轉作用下,屈服有很大提高,但強沒有多大改變,而且,屈服的增大趨勢到預拉伸量為0 . 25應變(預應變量為總應變量的66 . 93 )后就不再增加。
  8. But it has intrinsic defects such as low convergence and local minimum because the negative gradient method is adopted in weight adjusting. an improved rbf network is introduced which has the advantage in digital approximation, classification and learning rate and at the same time, the corresponding sensibility is also analysed

    但bp網路在用於函數逼近時,權值的調節採用的是負梯下降法,這種調節方法有它的局性,如收斂慢和容易陷入局部小等缺
  9. In extreme temperatures, the inflation rate will decrease a little bit

    中,充氣會有一降低。
  10. The calculation speed over finite fields greatly affects the performance of ecc implementation. so, to find a fast algorithm for finite field calculation becomes a hot field in recent cryptography researches

    Ecc中有域上運算的大地影響ecc實現,尋找有域快運算演算法也就成了近年來密碼學研究的一個熱領域。
  11. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有元程序,對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析,找到了影響沉降的主要參數;接著,針對傳統的三層bp網路具有收斂慢、易陷入局部等不足,對其進行了修正,提出了改進的bp神經網路模型;最後,根據上述靈敏分析結果,基於改進的bp網路模型較強的非線性映射能力和前期沉降實測資料,對路基中各天然土層的非線性模型主要參數進行了反分析修正; ( 4 )路堤沉降計算一維法中考慮應力歷史、側向變形的研究。
  12. What are extreme sports ? extreme means “ pushing the limits. ” extreme sports usually involve great speed, height, and danger ; they are absolutely exciting

    什麼是運動?就是推到運動通常具有高的、高及危險;它們絕對刺激!
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