arc-second

常见例句

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点光斑的质心精度是星敏感器整体精度的基础，它需要达到角秒级的量级。
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，塔身倾斜每年递增6弧秒，或约1/5毫米。
Astrometric Limit: The maximum residual in the place of a reference star, specified in arc seconds.
天文测量误差极限：参考星位置对应的最大误差，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年凌日得到的观测结果并不如预期的好：测量到的太阳视差范围是8.;3~10
Joan of Arc was one of France's greatest daughters.
圣女贞德是法国最伟大的女性之一。
He singled and went to second on a passed ball.
他击出一垒打，再因对方漏接而跑上二垒。