pyrheliometer

/pahyuhr-hee-lee-om-i-ter, pir-/US // ˌpaɪər hi liˈɒm ɪ tər, ˌpɪr- //UK // (pəˌhiːlɪˈɒmɪtə) //

昼夜温差仪,昼夜温差计,昼夜温差表,昼夜表

Definitions

n.名词 noun

1
Astrophysics.
- : an instrument for measuring the total intensity of the sun's energy radiation.