search coil method

例句：

1. 1. The search coil method is a popular technique used in radiography to improve image quality.
   搜索线圈法是一种在放射学中常用的技术，用于提高图像质量。
2. 2.In the search coil method, the magnetic field is applied perpendicularly to the surface of the sample.
   在搜索线圈法中，磁场垂直于样品表面施加。
3. 3. The search coil method has been shown to be effective in detecting small changes in magnetic fields.
   研究表明，搜索线圈法在检测磁场微小变化方面是有效的。