| 摘要 |
PROBLEM TO BE SOLVED: To enable spectators to participate in the installation of a dome for planetarium or all-sky circumference movie. SOLUTION: The dome D in which a screen surface is integrated with a skeleton portion is constructed by assembling a plurality of divided pieces 1 composed of a light-weight material in a dome-like form and coupling the pieces 1 to each other. Each divided piece 1 is provided with means which couple the piece 1 to other pieces 1.
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