negative stretch 中文意思是什麼
negative stretch
解釋
負拉伸-
Psoas stretch is negative.
腰大肌牽張試驗顯陰性。 -
For the first time, the process of the rotary stretch bending with lateral compression is analyzed by analytical method, and a new explanation is put forward to explain the negative springback in the forming process
本文首次使用解析法對側壓轉臺式拉彎成形過程進行分析，並對成形過程中的負回彈現象提出了新的解釋。 -
That is to say, the amount of the springback decreases with the increase of the pre - stretch force and lateral compression, and the decreasing trend is close to a linear relation, and when the lateral compression is large enough, the negative springback appears
理論分析和試驗均表明：回彈半徑隨著預拉力和側壓力的增大而減小，減小趨勢基本為線性關系，當側壓力足夠大時，出現負回彈。
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