The uniform serrations have width/h

The uniform serrations have width/height ratios (λ/h) of 0.6, 0.9, and 1.2, and have a 6mm height (2h). As mentioned before, in order to reduce the trailing edge noise, the height of the serration should be larger than a quarter of boundary layer thickness at the trailing edge, and the inclined angle cannot be larger than 45 degrees. The present study’s choice of a 6mm height will satisfy this condition. In addition, all of the width/height ratios used in this study are lower than 4.

結果 (繁體中文) 1:

均勻鋸齒具有0.6，0.9和1.2，並且具有6毫米高度（2H）。如前所述，為了減少後緣噪音，鋸齒的高度應為寬度/高度比（λ/小時）處比在後緣的邊界層厚度的四分之一大，並且傾斜角度不能大於45度大。本研究的選擇一個6mm的高度將滿足該條件。此外，所有在此使用的寬度/高度比的研究都低於4。

結果 (繁體中文) 2:

在肝臟S7中注明的4.2cm大小的邊緣增強多分體病變，首先考慮膿腫。DDx：轉移性病變*CBD明顯擴張，雙邊IHD，s/p支架，與肺炎和擴張膽囊，增厚膽囊壁和膽汁樹，DDx：CBD癌症

結果 (繁體中文) 3:

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