n.圓形幻畫；大風(fēng)景畫幕

Keywords cyclorama arch roadway;mapping function;stress on surrounding rocks;rock stability;optimization analysis; 天幕拱形巷道;映射函數(shù);圍巖應(yīng)力;圍巖穩(wěn)定性;擇優(yōu)分析;

cyclorama light 地平線燈

cyclorama lighting 地平線照明