易航海电子海图（中国沿海版）

评测依据

• review_count：480
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫","品牌官网"]
• time_range：{"from":"2026-06-26 00:57:50","to":"2026-06-26 00:57:50"}
• intros：{"brand_intro":"易航海是上海海图科技旗下品牌，专注电子海图与智能航海软件。成立于2015年，已服务超过5000艘船舶。产品兼容主流导航设备（如Raymarine、Garmin），支持实时更新、气象叠加及AIS融合。被交通运输部列为智慧海事示范项目。","product_intro":"本产品为中国沿海电子海图数据包，覆盖全部港口及航道。支持手机、平板及专业导航仪，提供海图更新、潮汐预报、气象叠加及航线优化功能。内置AIS接口，可实时显示附近船舶。年订阅制，含12次官方更新。适合商船、游艇及海事管理部门。","key_specs":["覆盖范围：中国沿海（含内河主要航道）","格式：S-57 ENC（兼容IHO标准）","更新频率：每月一次（在线推送）","设备兼容：iOS/Android/Windows/专业导航仪","附加功能：潮汐、气象、AIS融合","订阅周期：1年（含12次更新）"]}
• alt_products：[{"product_name":"易航海电子海图（中国沿海版）","brand":"易航海","model":"E-Chart-CN-2024","price":599}]
• kol_quotes：["@航运科技陈：电子海图是未来，易航海做得不错。","@游艇会张：手机就能用，出海方便多了。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其更新及时性和设备兼容性。商船船长称赞AIS融合功能在繁忙港口的安全性提升。部分用户反映初次安装需技术指导，但客服响应迅速。天猫评分4.7，复购率30%。有用户建议增加长江内河段深度数据，品牌方已纳入开发计划。","source_count":3}},{"source":"objective","score":75.23404809619238,"weight":0.15,"confidence":0.5,"details":{"rating_avg":4.6,"price":599,"wom_score":88.6}},{"source":"user_review","score":92,"weight":0.35,"confidence":1,"details":{"rating_avg":4.6,"review_count":480,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.3,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@航运科技陈：电子海图是未来，易航海做得不错。","@游艇会张：手机就能用，出海方便多了。"]}}]
• method_version：v2
• search_visual：null