continuous on the left是什么意思

用法例句

Exploiting Eight Direction algorithm and Left Direction technology the author propose an approach of automatic searching geological objects boundary by 2D grid method and its application program in Visual C ++ .

作者应用八方向测试算法和改进的左方向技术 ,用 VisualC++语言编程并实现二维地质体单元边界的自动搜索。