negative rotation 中文意思是什麼

negative rotation 解釋
反時針方向旋轉
  • negative : adj 1 否定的 否認的；拒絕的 （opp affirmative）； 反對的 反面的；消極的。2 （opp positive） 【電...
  • rotation : n. 1. 旋轉；輪轉；循環。2. 【天文學】自轉。3. 【物理學】旋度。4. 輪流，輪換；交替。5. 【農業】輪作；【林業】輪伐（期）。
  1. Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation.

    正頻率是逆時針旋轉產生的，而負頻率是順時針旋轉產生的。
  2. According to the high precision and rotation stability requirement of negative scan unit of cylinder photography typesetting machine, the three levels of cylindrical gears transmission separately, the two - stage cylindrical gears - worm drive, and the worm drive was chosen through calculating its velocity ratio, the checking transmission precision, carrying on the movement precision analysis to the sweep unit, and computing overall transmission error

    摘要針對圓筒型照相排版機底片掃描裝置要求傳動精度高，轉動平穩的特點，分別選擇三級圓柱齒輪傳動，雙級圓柱齒輪蝸桿傳動，蝸桿傳動3種常見的傳動方式，計算其傳動比，驗算傳動精度，對掃描裝置進行運動精度分析，計算總體傳動誤差。
  3. Tartaric acid derivatives were synthesized and their specific rotations were measured. it was found that diester 3 exhibited an unusually high negative value of specific rotation

    合成出系列的l -半螺旋型酒石酸衍生物16 ，測定比旋光度，發現酒石酸二乙酯2
  4. Similarly if we point our thumb in the negative direction of the axis our fingers will curl in the negative direction of rotation

    同樣的，如果我們將自己的拇指朝向逆方向軸，我們的手指將收攏于逆旋轉反向。
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