被粘物：准备胶接的物体或胶接后结合在一起的物质。
使用前先确保防护条内侧及被粘物表面的清洁和干燥。
Before use to ensure the inside and the sticky surface is clean and dry.
被粘物表面应清洁干净、平滑、干燥、无油脂或其它污染物。
Sticking surface should be clean, smooth, dry, no fat or other pollutant.
在有限元方法的基础上，利用变密度法对单搭接胶接接头搭接区域的被粘物形状进行了拓扑优化，通过曲线拟合得到了较为合理的轮廓。
Based on finite element method, variable density method was employed to optimize the configuration of adherends in overlap region, and the curve fitting was applied to attain proper configuration.
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