Uv Tshuab Luam Ntawv Ntsuas Kev Ua Tau

1. Sau qhov ntsuas ua luam tawm me me raug

Tsis hais hom twg ntawm kev luam ntawv thoob ntiaj teb, qhov yooj yim tshaj plaws yuav tsum yog luam ntawv raug. Kev sim luam ntawv raug yog: luam tawm cim thib 3 nrog PS thiab luam nws ntawm nplooj ntawv A4 tag nrho. Cov ntawv luam tau meej, thiab cov uas tsis muaj dab lossis blurring yog cov khoom tsim nyog. Yog tias muaj cov duab dab, nws txhais tau tias lub tshuab luam ntawv co ntau heev thaum luam ntawv. Qhov no tshwm sim los ntawm cov qauv tsim tsis tsim nyog, kom lub zog ntawm lub tshuab luam ntawv taub hau tsis tuaj yeem txiav thiab tawm.

2. Rov ua dua kev luam tawm los ntsuas kev ua haujlwm

Yog tias qhov rov ua ntawv luam tawm tsis yog, qhov nqi seem yuav nce ntxiv. Lub sijhawm no, nws yog qhov tshwj xeeb los xaiv lub tshuab luam ntawv nrog kev ua haujlwm ruaj khov. Cov qauv yog: luam tawm lub tic-tac-ntiv taw, rov ua luam ntawv 10 zaug, thiab siv 40x lub zog loj ntxiv kom pom nws. Los sis ncaj qha siv silk npo los kuaj lub tes tsho qhov chaw. Luam tawm cov npooj xiav ua ntej, thiab tom qab ntawd luam tawm liab raws ntawm xiav. Saib nrog lub 40x magnifying iav. Yog tias koj tsis tuaj yeem pom xiav, nws txhais tau tias lub tshuab ua haujlwm siab.

3. Kab pheeb ces kaum kab pheeb ces kaum kev ntev sib npaug

Tsis pub dhau qhov ntau tau luam tawm ntawm lub tshuab luam ntawv, luam tawm cov duab plaub sib dhos. Tom qab luam ntawv, siv tus pas ntsuas los ntsuas seb daim duab daim duab ntev npaum li cas los zoo ib yam. Raws li txoj cai ntawm cov duab plaub sib dhos, yog tias cov kab pheeb ces yog muaj qhov ntev, qhov no yog tus qauv duab plaub yog tias nws tsis sib npaug ntev, nws txhais tau tias nws tsis yog lub duab plaub ntev dua, tab sis lub pob zeb diamond los yog lub trapezoid. Yog hais tias qhov ntev ntawm qhov tsis sib xws tau luam tawm, nws txhais tau hais tias lub voos luam ntawv tau raug muab tso rau qhov tseeb, thiab qhov tseeb ntawm lub luam ntawv tsis tau txog cov kev tsim nyog.