heliometry的翻译，读音
英/hi:l'ɪɒmɪtrɪ/
释义：
量日仪测量术
n. The apart or practice of measuring the diameters of
heavenly bodies, their relative distances, etc. See Heliometer.
n. The apart or practice of measuring the diameters of
heavenly bodies, their relative distances, etc. See Heliometer.