Cov duab tsim nrog daim iav convex yog ib txwm sab xis thiab txo qhov loj. Cov duab no kuj tseem hu ua cov duab virtual, vim tias lawv tshwm sim qhov twg cov duab hluav taws xob tshwm sim los ntawm qhov chaw focal tom qab daim iav.
Puas duab hauv daim iav convex ib txwm upright?
Daim duab tsim los ntawm daim iav convex yog ib txwm virtual, thiab nyob tom qab daim iav. Thaum cov khoom nyob deb ntawm daim iav, daim duab yog upright thiab nyob rau ntawm lub focal point. Raws li cov khoom mus txog ntawm daim iav, daim duab kuj nce mus rau daim iav thiab loj hlob mus txog thaum nws qhov siab sib npaug ntawm cov khoom.
Yog tsim los ntawm daim iav convex yog ib txwm?
Duab tsim los ntawm daim iav convex yog ib txwm virtual thiab erect. Thaum ib qho khoom muab tso rau ntawm qhov tsis muaj qhov kawg, cov duab virtual yog tsim los ntawm kev ua kom pom tseeb thiab qhov loj ntawm daim duab me dua.
Dab tsi yog txoj hauj lwm ntawm daim duab hauv daim iav convex?
Txhua cov duab hauv daim iav convex yog upright, virtual, thiab ploj zuj zus. Raws li cov khoom txav mus rau ntawm daim iav, daim duab kuj txav mus rau daim iav thiab loj tuaj.
Dab tsi yog siv ob daim iav convex?
Ob tug siv daim iav convex yog: (i) Nws yog siv los ua ib lub iav saib hauv tsheb. (ii) Nws yog siv los ua daim iav vigilance. (iii) nws yog siv los ua lub teeb pom kev hauv txoj kev teeb.
