arc second（意思翻译）

弧秒；角秒（等于second,arc-second）

arc second（相似词语短语）

1、arc games───弧形游戏

2、fordo arc───福尔多弧

3、jerboa arc───跳鼠弧

4、arc touch───弧光触摸

5、second───adj.第二（个）的；（比赛、级别上）居第二位的；另外的；次要的；v.支持，附议；临时调派（工作人员等）；n.(Second)（美）塞孔（人名）；num.第二；（规模、质量等）居第二位的；另外的；n.秒；瞬间；第二名；二等品；adv.居第二位；第二，其次

6、unharmonious arc───不协调弧

7、arc───n.弧（度）；弧光（全称electricarc）；弧形物；天穹；vt.形成电弧；走弧线；n.(Arc)人名；(法)阿尔克；adj.圆弧的；反三角函数的

8、refract arc───折射弧

9、arc flash───电弧闪光

arc second（双语使用场景）

1、One second of arc movement is one thirtieth of a millimetre.───一弧秒的移动是一毫米的三十分之一。

2、The centroid accuracy of star tracker is the base of other accuracies. Its pointing accuracy is required to reach arc second scale.───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。

3、Simulation results show that the installation error can be estimated to arc-second degree.───FangZhen结果表明，该方法对惯导安装误差的标定精度能达到角秒级。

4、Now their commanders say their fighters have managed to link up with a second front to the south of Misrata, creating a defensive arc around the city's southwestern flank.───现在，他们的指挥官称，现在战士们已经成功地连接起米苏拉塔南面另一条前线，在东南翼形成坚固的防线。

arc second（英语使用场景）

1、Limited by the observation condition, the precision of the result is not high. The maximal accidental error is about 6 arc second, and there is also some systematic error.

2、Arc second ( arcsec ) is the unit of length in the celestial sphere.

3、The centroid accuracy of star tracker is the base of other accuracies. Its pointing accuracy is required to reach arc second scale.

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