Preliminary Reference Earth Model

model representing the average Earth properties as a function of planetary radius

en-GB/pɹɪˈlɪmɪnəɹɪ ˈɹɛfɹəns ˈɜːθ ˈmɒdəl/
en-US/pɹiˈlɪməˌnɛɹi ˈɹɛfɹəns ˈɝθ ˈmɑdəl/

ক্যাটাগরি:

frame of reference