Geographic coordinate system
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Usoro nhazi ala (GCS) bụ usoro nhazi okirikiri ma ọ bụ ellipsoidal maka ịlele na ikwukọrịta ọnọdụ ozugbo na ụwa dị ka latitude na lonjituudu.[1] Ọ bụ nke kachasị mfe, nke kacha ochie na nke a na-ejikarị eme ihe n'ụdị dị iche iche nke usoro ntụaka oghere ndị a na-eji, ma bụrụkwa ntọala maka ọtụtụ ndị ọzọ. Ọ bụ ezie na latitude na longitude na-etolite nchikota tuple dị ka usoro nhazi nke cartesian, usoro nhazi mpaghara abụghị katesian n'ihi na nha bụ akụkụ ma ọ bụghị n'elu ala. [isi nke ebipụtara onwe ya?]