heliac
heliac意思解释
heliacadj.pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owi

heliac读音音标
heliac意思解释
heliacadj.
pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun
\"the heliacal rising of the Dog Star\";\"the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)\"
同义词:heliacal
英英释义
heliacadj.
pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun
\"the heliacal rising of the Dog Star\"; \"the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)\"
同义词:heliacal
词汇搭配
短语
heliac welding
氦弧熔焊