periodical change 中文意思是什麼

periodical change 解釋
周期變化
  • periodical : adj 1 周期的，定期的；時常發生的，間歇的。2 定期發行的，期刊的。n （日報以外的）定期刊物，雜志。 ...
  • change : vt 1 改變，變更，變換，變革。2 交換；兌換；把（大票等）換成零錢；把（支票等）兌成現金。3 換（車、...
  1. Rustling about the room, his softly - slippered feet making no noise on the floor, he moved like a refined tiger - looked like some enchanted marquis of the impenitently wicked sort, in story, whose periodical change into tiger form was either just going off, or just coming on

    他那穿著軟拖鞋的腳悄然地踩著地面，像只儀態優雅的猛虎儼然是故事里怙惡不悛的侯爵中了魔法要定時變化，或是剛從老虎變成了人，或是馬上就要變成老虎。
  2. The work roll bending on five stands are adjusted based on the periodical change of work roll shift position to decouple the coupling between edge drop and flatness control and obtain the optimum flatness control

    該模塊根據5個機架的工作輥軸向位置的變化周期性隨動調整5個機架的工作輥彎輥，化解平坦度和邊降的耦合關系，以獲得最佳的板形控制效果。
  3. When modeling and simulating the whole system, the writer divides the periodical change of valve into many segments. with the method of power bond graph, the writer deduces the state equations of the system, which converting the substantial model into mathematical model. in the simulation, the writer uses matlab as the programming language

    在對整套系統進行建模和模擬時，筆者將控制閥的周期性變化過程進行分段考慮，應用功率鍵合圖法，推導出閥控氣動振動系統的狀態方程，實現了實物模型向數學模型的轉化。
  4. Speaking from its outline, shallow and deep color existing alternately is the direct reason why the bands emerged, while the periodical change of the total fe content in the sapphire is the foundmental reason ; in the same band of the same sapphire, the total fe content is nearly the same, so in this sense any spot can respresent the whole band in which the spot lies ; in one sapphire, the deep - color band must contain the higher fe than the shallow one ; the sapphire which exists bands must have a black or a dark blue core, where the fe content is usually higher than other bands. 2

    研究表明，山東昌樂的藍寶石普遍發育環帶，從外觀上講，藍寶石中深淺色度的交替出現是出現環帶的直接原因，而總fe含量的近周期性變化是形成藍寶石環帶的根本原因；同一藍寶石的同一環帶，其總fe的含量幾乎相同，所以該環帶上的任何一個成分點都可以代表整條環帶的成分；同一藍寶石的不同環帶，顏色越深，含fe越高，顏色越淺，含fe則越低；凡出現環帶的藍寶石，其核部總是深黑色或者藍黑色，而其含鐵量一般都比其它部位高。
  5. Based on the data from ( national index to chinese newspapers & periodicals ) during the years of 1996 - 2003, this paper analyzes the articles from periodical of library through which we can see the articles change, which is in periodical of library

    摘要以1996 - 2003年《全國報刊索引》 （以下簡稱《索引》 ）為資料源，對我國圖書館學期刊所發論文進行統計並與《索引》 1991 - 1995年統計的一系列數據進行比較分析，看近八年來我國圖書館學期刊發文傾向性的發展變化。
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