se,
                                '良': false
                            },
                            categories: ['严重污染', '重度污染', '中度污染', '轻度污染', '良', '优'],
                            calculable: true,
                            precision: 0.1,
                            inRange: {
                                symbolSize: 30,
                                symbol: {
                                    '优': 'diamond',
                                    '':