限速 的英文怎麼說

中文拼音 [xiàn]
限速 英文
maximum speed / speed limit
  • : 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形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  1. Fiber - optic changeable speed limiting signs of expressway

    公路光纖型可變限速標志
  2. Did not you see the limitation of speed ?

    難道你沒看見限速標志嗎?。
  3. 4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction

    構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。
  4. Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch

    利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。
  5. The advance of the metabolic engineering was briefly reviewed and the application of metabolic engineering methods for the construction of d - ribose - producing genetic engineering strain such as host selection, rate - limited step acceleration, metabolic flow alteration, fermentation process optimization and its application prospects of metabolic engineering was also described

    摘要簡要介紹了代謝工程的進展情況,並較為詳細地從宿主的選擇、加限速反應、改變代謝流和生產過程的優化等方面論述了代謝工程在d -核糖基因工程菌構建方面的應用及其應用前景。
  6. The ideal solution, researchers say, would be to strictly enforce maximum speed limits and do away with the speed bumps altogether

    最好解決辦法是,研究人員說,應該嚴格地、切實有效地執行限速標準,這樣就可以免去減帶的使用。
  7. The speed limit is 40 miles an hour. do n't exceed this maximum.

    限速每小時四十英里,不要超過這個極
  8. Discussion on setting automatic speed - limit signing system at frog area on thruway

    公路霧區設置自動限速標志系統的探討
  9. The space agency ' s dogged pursuit of extreme speed, officials hope, will ultimately make space flight easier to accomplish

    太空署一直以來都在追求官方希望的極限速度,這將使太空飛行變得極其容易。
  10. Finally, this dissertation discusses the application of traffic control method in improving measures of urban transportation environment. the illustration example indicates that, by reasonably limiting the speed of urban vehicles and alternating the signals at grade intersection, the total emission of motor vehicles can be reduced while assuring normal transportation operation

    本文最後討論交通管理方法在城市交通環境改善方面的作用,通過示例分析,合理地進行車輛限速和對相位差合理微調可以在保證交通正常運行的條件下減少機動車污染物排放量。
  11. Real programmers never use hard copy terminals, they never use terminals that run at less than 9600 baud, they never use a terminal at less than its maximum practical speed

    真正的程序員絕不用硬拷貝終端,絕不用9600波特以下的終端,絕不讓終端工作在極限速度之下。
  12. In this thesis, the characters of the high - speed maglev transportation safe speed protection system are introduced firstly in chapter one. subsequently, the realization of the speed curve watching function that is one of the core safety functions of the maglev train ' s operation control system is discussed carefully in chapter two. in chapter three the arithmetic of the maglev train ' s safe speed curves is discussed, including the safe braking speed upper limit curve, the safe braking speed lower limit curve, the safe speed upper limit curve and the range of the maglev train ' s safe operating speed

    本文首先綜述了磁浮高鐵路系統安全度防護系統,第二章對運行控制系統的核心防護功能?度曲線監控功能的實現作了詳細的論述,第三章則給出了度曲線監控功能中磁浮列車安全度防護曲線的演算法,包括磁浮列車安全制動上限速度防護曲線、磁浮列車安全制動下限速度防護曲線、磁浮列車安全度防護上曲線和高磁浮列車安全運行度的范圍。
  13. And the rev counter backlight changes to bright red to let you know when you hit the limiter

    當達到極限速度時,度表背光燈會變成亮紅色以示提醒。
  14. The aim of mips pipeline is that one instruction completed in one period averagely

    Mips流水線的設計目標是要達到平均每個時鐘周期完成一條指令,這就是流水線的極限速度。
  15. Pipeline increase the cpu efficiency greatly, but the exist of instruction correlation make the pipeline block and delay frequently, as a result it can ’ t achieve the aim that one instruction completed in one period averagely

    但由於流水線中指令相關等問題的存在,常常使流水線發生阻塞延遲,使得指令不能夠在預定的時刻完成,因而無法達到極限速度的目標,更無法超越該度。
  16. For increase the cpu efficiency more, base on the research of existing 32 - bit mips pipeline, this paper create the double - launching pipeline. by this design, one or more than one instruction completed in one period averagely, and increase the cpu efficiency remarkably

    為了進一步提高流水線的執行效率,超越流水線的極限速度,本文在對現有32位mips流水線進行研究的基礎上,創新性地提出了基於32位mips架構的雙發射流水線設計方案。
  17. The impact tests were carried out at the mid - span, and internal pressures of ompa, 5mpa, lompa and 15mpa were used in addition to the tests with water. the critical energy of perforation and the ballistic speed was measured, and the various types of rupture were identified from the section of the test specimens. force - time curves and internal pressure - time curves were obtained from experiment

    實驗中記錄了沖擊力時程曲線和內壓時程曲線,測量了鋼管軸向和周向橫截面的變形,得到了不同工況下的破壞模態、臨界穿透能量以及彈道極限速度,並找到了臨界穿透能量隨內壓的變化規律。
  18. 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極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;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,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  19. The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid

    通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析,總體了解排種器結構參數和運動參數對其工作性能的影響,建立種子的運動方程,進而建立各主要參數(充種度、清種角、護種角等)的數學模型,運用計算機輔助分析( caa )方法,通過visualbasic編製程序,對排種器工作過程中種子的運動進行動態模擬,找出影響排種器工作性能的主要因素,並對其參數進行優化,為合理地優化設計奠定了基礎。
  20. They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained

    本文的主要研究內容如下: (一)建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型,它們分別適用不同情況,並通過試驗驗證;基於能量模型和背板橢圓吸能相同假設,建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型,給出了彈道極限速度預測公式;利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析,給出了陶瓷/金屬復合裝甲的最佳優化系數。
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