Dab tsi yog qhov sib txawv ntawm qhov sib txawv, tsis xyoo, Lawv kev sib raug zoo
Oct 21, 2017| Dab tsi yog qhov sib txawv ntawm qhov sib txawv, tsis xyoo, Lawv kev sib raug zoo
Luo tau muab faib ua lub tshuab hluav taws xob thiab tshuab hluav taws xob,
Gyrocompass tsis koom nrog qhov sib txawv ntawm qhov sib txawv, yog li ntawd lub zog tsis zoo los ntawm nws tus kheej;
Sib nqus compass ntawm cov sib nqus sab qaum teb thiab qhov sib txawv ntawm North yog lub sib nqus compass ntawm lub compass,
Lo yog pluag los ntawm sib nqus sib txawv thiab sib nqus compass tom qab qhov txawv ntawm,
Sib ntsev compass yog tshwm sim los ntawm nws tus kheej, yuav tsum tau soj ntsuam txhua txhua xyoo thiab kho thiab tsim muaj daim ntawv qhia txog hlau npliag;
Qhov sib txawv ntawm qhov sib txawv yog tshwm sim los ntawm Lub Ntiaj Teb hauv lub ntiaj teb qhov chaw sib txawv, txhua qhov chaw ntawm txawv sij hawm txawv, feem ntau ntsuas txhua xyoo tom qab muaj kev hloov, qhov kev hloov no yog qhov txawv ntawm txhua xyoo, yog li cov hlau nplaum cim rau Luo yuav nrog xyoo ntsuas thiab xyoo txawv.
Kev sib txawv qhov txawv = qhov sib txawv ntawm qhov sib txawv + nws tus kheej
Sib txawv qhov sib txawv = thawj sib txawv sib nqus sib txawv + xyoo txawv * xyoo
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