teleskop radyoii

[ph87]

ghablan ye post gozashtam khanom mortazavi ham rahnamaii kardan ama man on chizi ro ke mikhastam peyda nakardam.taghriban tamam mataleb dar in bare tekrari budan.dustan agar maghale ya ketab english ham mishnasid moarefi konid lotfan.
zemnan agar kasi ro mishnasid ke dar in zamine kar karde moarefi konid]
az asatid va daneshjuhaye phisic ya bargh ke be mozu alaghe daran ham mikham ke agar mitunan behemun komak konand.
mamnun