单词	trilateration
释义	trilateration noun tri·​lat·​er·​a·​tion plural -s : the measurement of the lengths of the three sides of a series of touching or overlapping triangles on the earth's surface for the determination of the relative position of points by geometrical means (as in geodesy, map making, and surveying) compare triangulation Word History Etymology trilateral + -ation
随便看	sums sums (to or into) sums to or into sums up Sumter Sumu sun sun animalcule sun arc sun bear sun bittern sun blotch sun burner sun compass sun crack sun cream sun dance sun disk sun dog sun gear sun gem sun god sun goddess sun hat sun helmet

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