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Sentence analysis
9Spans
Sentence
Span Details
GPS
GPS; Global Positioning System-> ＧＰＳnoun
は
topic markergrammar
現代
present age; present day; today; modern era; modern timesnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
航法
navigation; sailingnoun
に
direction, time, indirect object, or target markergrammar
欠かせない
indispensable; essential; vital; crucialexpression, i-adjective
技術
technology; engineering; technique; skill; art; craftnoun
だ。
plain copulagrammar