Koj txhais li cas los ntawm kev ua kom zoo thiab ua tiav hauv lub pov haum lub voj voog?Nyob rau hauv lub gemstone voj voog, "optimization" thiab "processing" yog ob lub ntsiab lus.Yog tias optimization yog "trick", kev kho mob yog "kev phais yas".Optimization yog hais txog "ntau yam kev cai thiab dav lees txais imp ...
Vim li cas qee cov neeg nyiam pomegranates?Vim li cas qee cov neeg tsim nyog hnav sapphire?Vim li cas qee cov neeg nyiam sau pearls?Hauv qab cov chaw txaus siab no yog cov tsos mob ntawm subconscious?Tej zaum koj lub pov haum nyiam yuav xau koj cov cim cim!ruby.Txoj Cai Txhaum Cai: Kev Ntseeg Zoo Li Vaj Ntxwv o...
Ib lub ruby loj tshaj plaws hauv ntiaj teb, 125 Western Ruby yog 18.696 carat raw ruby, ntsuas 12.24 cm x 11.23 cm x 13.35 cm.thiab nws tau kwv yees tias rubies tuaj yeem tsim tom qab ua tiav.
Thaum Lub Yim Hli 14, 2021, tus neeg sau xov xwm los ntawm Xinhua News Agency tau tsim cov khoom siv amorphous tshiab (AM-III) los ntawm ib lub xeev lub chaw soj ntsuam tseem ceeb, Yanshan University Semi-Stable Materials Preparation Science thiab Technology Institute.Kawm paub tias kuv ua tiav li cas...Amorphous cov ntaub ntawv, tseem hu ua vitre ...