[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

近岸休闲垂钓/游艇选Navionics Sonar Charts(含众包高精度水深线,等深线间隔可达1英尺);远洋航行或商业船舶应选C-MAP或官方电子海图ENC,其港口/航道数据更权威且符合SOLAS航行要求

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85%
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Long-term
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