coordinate conversion method

• 坐标转换方法

coordinate conversion method的用法和样例：

例句

1. Another conversion approach is called the round-trip conversion.
   另一种转换方法称作往返转换。
2. An effective depth to time domain transforming method is presented to improve normal sample method.
   提出了一种有效的对常规采样方法改进的深时转换方法。