光波表是不用电池的,用太阳能或者别的光源都可以为手表充电。它会接收电波,自动校正时间和日期。
guāngbōbiǎo shì bùyòng diànchí de ,yòng tàiyángnéng huòzhě biéde guāngyuán dōu kěyǐ wèi shǒubiǎo chōngdiàn 。tā huì jiēshōu diànbō ,zìdòng jiàozhèng shíjiān hé rìqī 。
Solar-powered watches do not need a battery; they can be charged by the sun or by other light sources. They receive electromagnetic waves and automatically adjust the time and date.