{"stock_code": "002879", "stock_name": "长缆科技", "market_type": "A", "analysis_date": "2026-04-01T06:14:40.342892", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 19.42, "label": "近期低点支撑（2026-03-23）"}, {"price": 18.27, "label": "MA200长期均线支撑"}, {"price": 21.75, "label": "MA20短期压力"}], "trend_description": "当前价格20.39元，位于MA20（21.75元）下方1.36元，位于MA60（21.43元）下方1.04元，位于MA200（18.27元）上方2.12元。MA5（20.35元）位于MA20与MA60下方。近30个交易日内，价格从高点