Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/65763ef527103613cd464181f7d40153.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 angular diameter distance例句_angular diameter distance英汉例句_angular diameter distance双解例句_欧米惠必应词典
From knowing the diameter of the Earth's orbit and the apparent angular movement of the star, we can calculate the distance to it. 在知道了地球轨道的直径和恒星变化的角度，我们就能计算出它的距离。