erbium-dopedCOCA²¹³⁵⁸⁵BNC²³⁶²¹³⁺¹ 基本例句 🌏掺铒；参铒 Enhancing the chaotic bandwidth of erbium-doped fiber laser and expanding its application in high speed chaotic secure communication and chaotic ranging have become the focus of researchers. 提高光纤激光器混沌带宽，扩展其在高速混沌保密通信和混沌测距中的应用成为研究者关注的热点。 fabiao