Dị ka a Ndị na-eweta ụlọ ntu dị elu, Ọ ga-amasị m ịkọrọ gị otu esi amata ntụziaka n'ime ọhịa.
1. Jiri ihe okike chọpụta ntụziaka
Na enweghị maapụ topographic na kompas na akụrụngwa ndị ọzọ, mụta iji ụfọdụ njirimara okike iji chọpụta ntụzịaka.
Nke mbụ, anyanwụ bụ "agịga ugwu" kasị nwee ntụkwasị obi.
Anyị ma na anyanwụ na-esi n’ebe ọwụwa anyanwụ aga n’ọdịda anyanwụ, ebe onyinyo na-esikwa n’ọdịda anyanwụ gaa n’ọwụwa anyanwụ.Dịka ọmụmaatụ, n'elekere isii nke ụtụtụ, anyanwụ na-esi n'ọwụwa anyanwụ pụta, na onyinyo nke ihe niile na-adaba na ọdịda anyanwụ;na 12 elekere na ehihie, anyanwụ dị n'ihi na ndịda na onyinyo na-ezo aka n'ebe ugwu;n'elekere isii nke ehihie, anyanwụ bụ n'ihi ọdịda anyanwụ na onyinyo na-atụ aka n'ebe ọwụwa anyanwụ .Ya mere, ntụziaka nwere ike roughly kpebisiri ike site na onyinyo nke anyanwụ na ihe.Dị ka a na-ekwu: "Nsonaazụ ozugbo", jiri osisi (osisi kwụ ọtọ) mee ka ọ dị na ala, ma tinye nkume na vertex A nke onyinyo osisi;ihe dị ka nkeji iri, tinye ibe ọzọ mgbe vertex nke onyinyo osisi na-aga B Nkume na-ejikọta isi ihe abụọ A na B n'ime ahịrị kwụ ọtọ.Ụzọ nke ahịrị kwụ ọtọ a bụ akụkụ ọwụwa anyanwụ-ọdịda anyanwụ.Ntuziaka perpendicular na ahịrị AB bụ akụkụ ugwu-ndịda.Ọgwụgwụ chere anyanwụ ihu bụ ndịda, ma akụkụ nke ọzọ bụ ugwu.
Kpebie ntụziaka dịka usoro a si dị.Ihe dị elu nke plunger, nke dị gịrịgịrị, na-adịkwu ala na ala, na ogologo ogologo onyinyo ahụ na-aga, otú ahụ ka ntụzịaka a tụrụ anya ka zie ezi.Karịsịa n'ihe dịka elekere iri na abụọ nke ehihie.Dịka ọmụmaatụ, ogologo onyinyo na 11:30 na 12:30 fọrọ nke nta ka ọ bụrụ otu.Ahịrị nke vertices na-atụ aka naanị n'akụkụ ọwụwa anyanwụ-ọdịda anyanwụ, na ahịrị kwụ ọtọ nke ahịrị ahụ nwekwara ike rụtụ aka n'akụkụ ugwu-ndịda nke ọma.
Ụwa na-agbagharị 360 degrees n'ime awa 24 na 15 degrees n'ime otu awa.Aka elekere nke elekere na-atụgharị mgbe niile okpukpu abụọ karịa anyanwụ.Dabere na ụkpụrụ a, enwere ike iji elekere na anyanwụ tụọ ọnọdụ ahụ.N'elekere isii nke ụtụtụ, anyanwụ dị n'ebe ọwụwa anyanwụ na onyinyo na-atụ aka n'ebe ọdịda anyanwụ.N'oge a, tụọ aka elekere na nche na anyanwụ, na "12" na ọkpụkpọ ga-atụ aka na ọdịda anyanwụ.Ọ bụrụ na ọkpụkpọ ahụ atụgharịa ogo 90, ọ ga-abụ ọkara na elekere isii, na-eme “3″ na ọkpụkpọ."" na-eche anyanwụ ihu, "12" na-atụ aka n'ebe ugwu;na 12 ehihie, anyanwụ dị na ndịda, na 12 na-apịaji na ọkara nke mere na "6" na ọkpụkpọ chere ihu anyanwụ, na "12" ka na-ezo aka n'ebe ugwu.
Kpebie ntụziaka dịka usoro a si dị, na-eburu n'uche ọdịiche oge mpaghara.Ekwesịrị ịgbanwe oge Beijing ka ọ bụrụ oge mpaghara.Dabere n'ahịrị ogologo ọwụwa anyanwụ dị ogo 120, tinye otu awa na oge Beijing maka ogo 15 ọ bụla n'akụkụ ọwụwa anyanwụ nke longitude, wee wepụ otu elekere na oge Beijing maka ogo 15 ọ bụla n'ebe ọdịda anyanwụ, nke bụ oge mpaghara.Dịka ọmụmaatụ, nhazi mpaghara mpaghara nke Urumqi bụ 87 degrees 40 nkeji ọwụwa anyanwụ, mgbe ahụ (120°-87°) ÷ 15° = awa 2 na nkeji 9, na oge Beijing wepụrụ awa 2 na nkeji 9 bụ oge mpaghara na Urumqi. .
Enweghị ike iji ụzọ abụọ a dị n'elu n'oge okpomọkụ na Chiayi, Taiwan, Nanao Island nke dị n'ebe ugwu ọwụwa anyanwụ nke Shantou, Guangdong, Wuzhou na Guangxi, na Gejiu na Yunnan, ndịda nke Tropic of Cancer (23 degrees 27 minutes north latitude).
Ụlọ ọrụ anyị nwekwaraỤlọ elu-Topna ire ere, welcome ịkpọtụrụ anyị.
Oge nzipu: Jun-02-2021