fwd key 中文意思是什麼
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The key point of this usage is developing related testing criterion and regulations of fwd through research testing in large scale and in many areas in our country, meanwhile the backcalculating method also need improved further. in addition, the back - calculated moduli should be corrected to the normal design condition, then it can be used in the final overlay design. 3
指出應用此設備的關鍵是需要開展大范圍的測試試驗研究為依據，並建立有關fwd的測試標準與規程，提高彎沉量測值的標準和精度，以及從反演方法上改進反演理論模型，提高模量反演結果的精確性和穩定性，最終對反演模量還要加以修正，才能應用於罩面厚度設計。
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