forward and backward 中文意思是什麼

forward and backward 解釋
前後
  • forward : adv 1 向前，前進 （opp backward）。2 【航海】在船頭，向船頭（opp aft）。3 今後，將來。4 出來，出...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • backward : adv 向後，在後，在後方；倒，逆；迴向原處。 lean backwards 往後靠。 spell backwards 倒拼；誤解，曲...
  1. The pressing of bottom, side attaching and forward - and - backward squeezer can be finished at one time, and also can be finished separately with high pressure and fastness

    壓底、壓邊及前後束緊，可一次完成，亦可選擇單個動作完成，具有壓力大，壓合牢固之特點。
  2. Afterwards, i went toward ahe yard and lookedupward, downward, inward, outward, forward and backward

    后來我走向院子，向上下內外前後看
  3. The amplified spontaneous emission ( ase ) is studied. both the forward and backward ase is simulated and their characters are analyzed in detail. then the dual stage cascade structure is presented as a solution to reduce the ase noise

    2 .研究了edfa中放大的自發輻射噪聲光（ ase ） ，詳細分析了前後向ase噪聲光的性質，在此基礎上，提出了雙段級聯結構抑制ase噪聲光，並對這種方法進行了理論和實驗研究。
  4. Also, forward and backward acceleration will change ; robots moving forward will be able to move faster

    另外，前後加速將會更改；機器人向前移動時速度可以更快。
  5. Looking out of my bedroom window into the vastness of space, time seemed to stretch forward and backward without end, engulfing me, engulfing my parents and great - grandparents, engulfing the entire history of earth

    從臥室的窗口向外眺望無垠的太空，時間彷彿沒有止境地前後伸延著，吞沒了我，吞沒了我的父母和曾祖父母，吞沒了整個地球的歷史。
  6. Grinding feature is to use work piece for a slow - speed operation, and wheel spindle selects a high - speed revolution and offers a minor amount of in - feed to cooperate with mechanical spinde for forward and backward movement for finishing grinding jobs

    研磨特性是利用工作物做慢速運轉，而砂輪心軸采高速回轉並給予微量進刀配合機械心軸前後運動完成研磨作業。
  7. Relative tolerance between forward and backward in indicating value

    示值進回程相對誤差
  8. Tolerance between forward and backward in indicating value

    示值進回程差
  9. By the browser / web server / database structure and the technology of asp. net and xml, we achieve the expert system running on the network, extend the application and ensure its backward compatibility ; we have the deep research to the representation of knowledge and apply it to the system, extend the traditional method of rule based knowledge representation ; introduce the fuzzy sets, analyze the generalized possibility interval sets, and combine the linguistic variables and fuzzy sets ; the system adopts the forward and backward chaining, researches the reasoning under uncertainty and inexact reasoning ; and we depart knowledge base and inference engine, make the upgrade simple and maintenance convenient. in the last, we construct the potato produce manage system according to the phases of potato ' s growth to give a detailed instruct to its produc e

    Net和xml技術，實現了網路化的專家系統，同時擴大了專家系統的應用范圍，提高了系統的後向兼容性；對專家系統中的知識表示技術作了深入探討，在傳統的基於規則的知識表示方法的基礎上，提出了基於規則擴展的知識表示方法，並較好地將其應用到本系統中；引入了模糊集合，分析並推導了廣義可能區間集，將其應用於模糊知識的表示，將語言變量和模糊集合結合起來；提出對系統採用互動式知識獲取途徑、雙向推理控制策略，對不精確推理和不確定性推理的傳播演算法作了一定的研究，成功地將其應用到馬鈴薯專家系統的構建之中；採用知識庫和推理機相分離的方法，使得系統升級簡單易行。
  10. Relative tolerance between forward and backward in indicating

    示值進回程相對誤差
  11. On the base of that, the thesis gives the mathematical model of damage probability which is the main quota evaluating effectiveness of fire. the mathematical model of damage probability about the rifle grenade of touch to explosive backward, the rifle grenade of touch to explosive forward and backward, the rifle grenade of explosive backward and the rifle grenade of explosive forward and backward are set up

    在此基礎上，論文給出了評定20mm向後炸的碰炸榴彈、前後炸的碰炸榴彈、向後炸的空炸榴彈和前後炸的空炸榴彈射擊效力的主要指標：毀傷概率的數學模型，並進行了大量的計算，可提供利用vb編的計算機軟體。
  12. ( 2 ) using both upper and lower limbs of a fresh adult cadaver, inject red gelatin into femoral, forward and backward injecting the blue gelatin with high pressure into femoral vein with formalin preventing rot

    （ 2 ）採用新鮮成人屍體上、下肢標本，于股動脈灌注紅色乳膠，足背靜脈網順、逆行及股靜脈加壓灌注藍色乳膠，福爾馬林溶液防腐。
  13. ( 3 ) left lower limb was used to prepare artery ( red ) and vein ( blue ) color cast specimens using perchloroethylene. ( 4 ) deep freezed right lower limb sample, injecting red gelatin into femoral artery, forward and backward injecting blue latex with barium sulfate into femoral vein and great saphenous vein, cuting flap after dealing with formalin and get x - ray photos

    （ 3 ）採用1例新鮮屍體左下肢標本制備過氯乙烯動（紅） 、靜（藍）脈分色鑄型標本。 （ 4 ）右下肢冷藏標本，于股動脈灌注紅色乳膠，再於股靜脈及大隱靜脈順、逆行灌注含硫酸鋇混懸液之藍色乳膠，福爾馬林防腐，然後切取皮瓣，攝取x線片。
  14. Put finger at an angle on the surface of the heater, spread the grease evenly over the surface with one forward and backward movement

    請在拆卸原舊定影膜時，注意定影膜導電圈（即定影膜帶有標記一邊）位置；取下已損定影膜，把陶瓷片邊緣、塑料支架各部分用棉簽和酒精清潔干凈。
  15. For example, the information gain of 1x forward and backward whirls is high for detecting rotor imbalance and the gains of 1x, 2x and 3x forward and backward whirls are high for detecting stator / rotor rub

    使用該方法發現，轉子振動的一、二、三階正進動和反進動量對于不平衡和碰摩故障的信息增益最大。
  16. Carbo super finishing stick uses the effect of pressurization and swing with forward and backward to make the surface of work piece mirror shinning

    超精砂條研磨是利用加壓及往覆式擺振作用將工作物表面鏡面化研磨處理。
  17. The research showed that : from january to march, the acreage average ozone gross gathered, which was synchronized with the increase of the frequency of strong ssw event. furthermore, the change tendency of ozone gross in the atmosphere break forward and backward 1990. after the1990s, ozone gross in the atmosphere appeared negative anomaly in the mid and high latitude of north hemisphere from january to march, which was consistent with the obvious descent of appearance frequency of strong ssw event after the 1990s

    分析表明： 1至3月，臭氧總量的面積平均逐漸增高，這與強ssw事件頻數1至3月增高同步；此外，大氣臭氧總量趨勢變化以1990年前後存在明顯的突變， 90年代以後，北半球中高緯1 ? 3月間大氣臭氧總量處于負異常階段，這和90年代以來強ssw事件發生頻數明顯下降相吻合。
  18. Knowledge about the faults of a process control system is obtained automatically by rough set reduction. an entropy - based criterion is used to measure the uncertainty of it. methods of forward and backward fault diagnosis and how to build up decision tables for each fault source are given

    利用粗糙集進行故障知識的發現，尋找系統各個故障源信號之間合理的邏輯關系，提出了一種構造邏輯故障樹的智能方法，並給出了相應的故障樹評價標準。
  19. After that, business process in jobshop is developed forward and backward according to the thought which faces to the course and the customer

    然後，按照面向過程並體現面向客戶的思想，將車間的業務流程作了向前和向後拓展。
  20. The working modes were the ninth bending in - plane vibration modes, which had almost the same frequencies and realized movement of forward and backward using the same power supply

    利用振子第9階同頻的兩個正交的面內彎曲模態分別實現直線電機的正、反方向驅動。
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