phase angle相位角相角學術名詞相角:物理學、計量學、測量學、電工學、電機工程、數學相位角:電子工程、機械工程、土木工程、機構與機器原理相(位)角:力學位相角:天文學相[位]角:造船工程相位差:造船工程英文釋義a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle