rough calculation 中文意思是什麼

rough calculation 解釋
粗略計算
  • rough : adj 1 粗糙的 （opp smooth）; 凹凸的，崎嶇不平的 （opp level）。2 粗毛的，多毛的，蓬亂的（頭發）。...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型，研究光在一維?二維分形粗糙表面的光散射特性，主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討，採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  2. In addition, using the rough quantum theory of gravity, the quantum form of gravitational radiation in weak field is discussed, which is coincident with the classical results, and the calculation program does not need many operators

    另外本文採用簡化的量子觀點討論了弱引力場引力輻射的量子表述，計算過程並未涉及大量的算符運算，而且運算結果表明它與經典小參數法得到的相應輻射形式是自洽的。
  3. Therefore, based on formers " research and recurring to the rather strong ability of holding mistakes possessed by rough set theory, this paper present a new attribute reduction arithmetic as well as an improved value reduction arithmetic based on the combination of rough set theory and duality boolean calculation, and use it to handle the reduction progress of the decision table including all kinds of fault cases which is established by considering the signals of protection relays and circuit breakers, then form the general mixed knowledge model and bring up an idea about automatic production of decision table

    為此，本文在前人研究的基礎上嘗試藉助粗糙集理論所具有的較強的容錯能力，提出了基於粗糙集理論與二值邏輯運算相結合的屬性約簡演算法以及改進的值約簡演算法，並將其應用於由斷路器和保護為條件屬性，考慮各種故障情況所組成的診斷決策表的約簡過程中，形成了混合策略知識模型，同時提出了診斷決策表自生成的基本思想。
  4. Rough calculation of investment : 1 ) methyl carbonate : total investment is rmb100 million yuan ; investment return period is 4 years. 2 ) granular dry ice powder : total investment is rmb31 million yuan ; investment return period is 2 years. 3 ) salicylic acid : total investment is rmb25 million yuan ; investment return period is 3 years. 4 ) sodium carbonate : total investment is rmb50 million yuan ; investment return period is 3 years. 5 ) ethylene urea : total investment is rmb60 million yuan ; investment return period is 4 years

    投資概算： 1 、碳酸二甲酯項目總投資1億元，投資回收期4年； 2 、顆粒乾冰粉項目總投資3100萬元，投資回收期2年； 3 、水楊酸項目總投資2500萬元，投資回收期3年； 4 、輕質氧化鮮項目總投資2000萬元，投資回收期2年； 5 、碳酸鈉項目總投資5000萬元，投資回收期3年； 6 、乙撐脲項目總投資6000萬元，投資回收期4年。
  5. I make some rough calculation on the back of an envelope

    我的信封背面大概算了一下。
  6. L make some rough calculation in the back of an envelope

    我在信封的背面做了一個粗略的估算。
  7. Let ' s make a rough calculation : if in the year 2000 there are 1. 2 billion people and each person consumes 400 kilograms of grain, we shall have to produce 480 million tons that year

    粗略估計一下，到二年，以十二億人口每人八百斤計算，糧食年產量要達到九千六百億斤。
分享友人
分享到 Line

分享到臉書