公元630年,唐太宗贞观四年,林邑人向朝廷进献火珠。据《旧唐书》记载,火珠产于婆利东罗刹国,形状如水晶,太阳当午时,把珠子对向太阳,光柱透过珠子射到艾草上,可以点燃出火,类似今天放大镜的功能。临邑人进献火珠,也是对唐朝的礼敬,属于礼尚往来,但是,在上奏的表章中,所用 In 630 AD, Taizong Zhenguan four years, Linyi people into the court into fire beads. According to the “old Tang book” records, fire beads produced in the Borneo East Rothschild country, the shape of crystal, the sun when the hour, the beads toward the sun, light beam shot through the beads on the wormwood, you can ignite the fire, similar to today’s magnifying glass Function Linyi people into the fire beads, but also the courtesy of the Tang Dynasty, belonging to reciprocity, but in the epilogue table, the use of