roughness grade 中文意思是什麼

roughness grade 解釋
表面粗糙度等級
  • roughness : n. 1. 粗糙；凹凸不平，崎嶇；蓬亂。2. 粗暴；狂風暴雨。3. 未加工。4. 難聽，刺耳；味澀；不調和。5. 概略。6. 【工業】粗糙程度。
  • grade : n 1 等級，級別；階段；程度，標準，水平。2 〈美國〉（中小學的）年級；某一年級的學生。3 〈pl 〉 〈...
  1. Beginning from the effecting factors of high grade road roughness, this paper consulted many recent domestic and foreign texts and field observation data of high grade roughness and explore the transfer principle of road roughness and probability statistics

    本文查閱了國內外最新文獻和高等級公路施工現場的觀測資料，從影響高等級公路路面平整度的因素出發，揭示了路面平整度的傳遞規律及平整度的概率統計規律。
  2. The results indicated that the crystal particles in coatings were mostly rutile, and the size of the rutile was in a micrometer grade. the surface roughness of coatings was different

    發現制備的二氧化鈦功能塗層中晶粒尺寸為微米級，晶型主要為金紅石型二氧化鈦，表面粗糙度值大小不一。
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