Optical pyrometer
[化] 光学高温计
🧩 词语组成解析
n. 高温计\\n[化] 高温计
🗣️ 情景例句
He told me he was very impressed with you.
他告诉我他对你印象很好。
Janet winked at her boy friend.
珍妮向男朋友眨眨眼。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。