secondary photometric standard lamp

[secondary photometric standard lamp]
[secondary photometric standard lamp]

中文释义

二次测光标准灯泡

单词分析

单词结构:

secondary photometric standard lamp

字母数:35

记忆提示

🎯 重点记忆:

  • 单词拼写:secondary photometric standard lamp
  • 核心含义:二次测光标准灯泡