{"stock_code": "603893", "stock_name": "瑞芯微", "market_type": "A", "analysis_date": "2026-04-02T03:01:12.432048", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 145.45, "label": "近期低点(2026-03-24)"}, {"price": 164.06, "label": "近期低点(2026-03-04)"}, {"price": 175.27, "label": "双底形态颈线"}, {"price": 177.55, "label": "MA200均线"}], "trend_description": "当前价格150.78元，位于MA5(151.46)、MA20(160.23)、MA60(176.81)、MA200(177.55)所有均线下方。均线呈