Vocabulary
秒角
びょーかく
vocabulary vocab word
arc second
arcsecond
second of arc
秒角 秒角 びょーかく arc second, arcsecond, second of arc
Meaning
arc second arcsecond and second of arc
Practice Writing
Character: 1/2
Stroke: 1/0
びょーかく
vocabulary vocab word
arc second
arcsecond
second of arc