space reference meaning in English

空间基准

Thus the gyro package serves as a rigid angular space reference in the same manner as the stars appear in a stellar navigator .
这样，陀螺组合件用来作为稳定的空间度基准正如在星座导航器中的星座一样。
Character spacing reference line
字符空格参考线
In character recognition , a condition in which the characters spacing reference lines of two consecutivelyprinted characters printed on the same line are separated by less than a specified distance
字符识别中的一种情形,其中同一行上两个连续打印字符的字符间隔参考线的间距小于指定的距离。
In character recognition , a condition in which the characters spacing reference lines of two consecutively - printed characters printed on the same line are separated by less than a specified distance
字符识别中的一种情形，其中同一行上两个连续打印字符的字符间隔参考线的间距小于指定的距离。