1. To begin, you will need five basic items: board, sail, mast, boom (2) and mastbase.
开始的时候你需要最基本的五样东西：滑板、风帆、面罩、帆下桁和桅杆基座。
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2. Place your front foot beside or just behind the mastbase, pointed toward the nose of the board.
前脚放在侧面，或是放在桅杆基座的后面，脚尖指向滑板顶端。
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3. The preassembled headboard has a brown wood base with decorative carvings, three open storage compartments, a storage bin and a mast.
预装的床头柜有一个褐色的木制底座，底座上有雕刻的装饰花纹，三个开放式存储格，一个储物箱和一个桅杆。
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4. It is especially pointed out that ignoring the effect of coupling the base frame and the foundation with the mast will lead to errors that are not acceptable in engineering.
强调指出，在这种振动分析中忽略底座与地基对井架振动的耦合作用，将导致工程上不允许的误差。
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5. It is especially pointed out that ignoring the effect of coupling the base frame and the foundation with the mast will lead to errors that are not acceptable in engineering.
