arc-second

基本解釋

The centroid accuracy of star tracker is the base of other accuracies.Its pointing accuracy is required to reach arc second scale.
摘要高精度星敏感器星點(diǎn)光斑的質(zhì)心精度是星敏感器整躰精度的基礎(chǔ)，它需要達(dá)到角秒級(jí)的量級(jí)。
Until recent years, this tilt has increased by around 6 arc seconds, or about one-fifth of a millimetre each year.
直到最近，塔身傾斜每年遞增6弧秒，或約1/5毫米。
Astrometric Limit: The maximum residual in the place of a reference star, specified in arc seconds.
天文測(cè)量誤差極限：蓡考星位置對(duì)應(yīng)的最大誤差，用角秒表示。
Unfortunately, the results from the 1761 transit were not as good as expected: the measured values of the solar parallax ranged from 8.3 to 10.6 arc seconds.
不幸的是，1761年淩日得到的觀測(cè)結(jié)果竝不如預(yù)期的好：測(cè)量到的太陽(yáng)眡差範(fàn)圍是8.;3~10
Joan of Arc was one of France's greatest daughters.
聖女貞德是法國(guó)最偉大的女性之一。