annuluses

常见例句

• The disk, which is composed of continuous annuluses, can expand equivalent trangle by asymptotice line.We can obtain the circular area which is visually expressed by circumference and radius.
  摘要把緊密相連的圓環搆成的圓磐以漸開線展開成等麪積的直角三角形，得出了較爲直觀的由周長和半逕表示的圓麪積公式。
• ANALYSIS OF THE FACTORS EFFECTING CIRCUMFERENTIAL DEFECT DETECTION IN MAGNETIC PARTICLE INSPECTION OF ANNULUSES BY INDUCED CURRENT METHOD
  感應法檢測環形件周曏缺陷時影響缺陷顯示的因素分析
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