echo length 中文意思是什麼

echo length 解釋
回波長度
  • echo : n (pl echoes)1 回聲,反響;共鳴,反映。2 重復,摹仿;摹仿者;應聲蟲。3 【音韻學】與上句末音押韻...
  • length : n. 1. 長,長度,長短。2. (時間的)長短,期間。3. (賽艇的)一艇的長度;一馬的長度。4. 程度,范圍。5. 【板球】球程;投至適當距離的球。6. 【語言學】音長。7. 一段,一節。
  1. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露端施加瞬態沖擊載荷,由安設在測桿頂端的傳感器接收反射應力波信號,根據應力波的走時和測桿的長度折算固結波速的大小,因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。
  2. Standard practice for measuring the change in length of fasteners using the ultrasonic pulse - echo technique

    使用超聲脈沖回波技術測量緊固件長度變化的標準操作規程
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