卢米埃尔兄弟最早的电影之一是一段30秒的短片，它展示了一个阳光普照的铁路站台的一角。
One of the Lumière Brothers' earliest films was a 30-second piece which showed a section of a railway platform flooded with sunshine.
也就是能够分开两个距离很近的两颗星的能力，单位是角秒1(secondsof arc)。
It is the ability to separate two closely-spaced stars into two distinct images measured in seconds of arc.
静态定位精度优于20角秒，比改造前的仪器提高了一个数量级。
The precision of the static orientation is better than 20 arc-seconds, improved by an order of magnitude.
两位置静对准试验对准精度为20角秒，双轴摇摆和断续式双轴摇摆两位置晃动对准试验的对准精度达到30角秒。
Static alignment accuracy of two-position is 20 seconds, dynamic alignment accuracy of two-axis rolling and intermittent rolling is 30 seconds.
针对相距公里级的编队卫星，相对状态估计精度为：相对位置达厘米级，相对姿态角达角分级，相对钟差达十纳秒级。
The results indicate that the accuracy of relative position reaches centimeter, the relative attitude reaches minutes and the clock bias reaches about ten nsec.
详细分析了主要的误差来源，分别是由参考星决定的局部参考架的误差约0.15角秒，目标量度坐标误差约为0.45角秒。
There were two main part of error source, the local reference system which was about 0.15as and the measurement coordinates of objects which were about 0.45as.
指出中期异常的特征是破坏年变化规律，异常时间在半年以上，幅度可达几个角秒。
The medium-range tilt anomaly was characterized by the violation of the regularity of annual variation. The magnitude of the anomaly may amount to a few seconds and lasted for about half a year.
指出中期异常的特征是破坏年变化规律，异常时间在半年以上，幅度可达几个角秒。
The medium-range tilt anomaly was characterized by the violation of the regularity of annual variation. The magnitude of the anomaly may amount to a few seconds and lasted for about half a year.
应用推荐