·2,447,543篇论文数据，部分数据来源于NoteExpress
fiber waveguide , optical waveguide
Lightguide exrtra-thin light box is a high-tech laser engraving products with thin and beautiful appearance, energy efficient characteristics, safe and reliable circuit.
导光板超薄灯箱是光的折射和反正技术与激光雕刻相结合的高科技型产品，超薄美观，高效节能，电路安全可靠；
youdao
应用推荐
模块上移
模块下移
不移动