A masking tape for polymer thread, used for masking when painting on double color safety pole. It has excellent solution resistance, tear retardant, especially for arc curve color division.
共聚物细线遮蔽胶带，用于双色保险杠喷漆遮蔽，具有出色的耐溶剂性，不易撕裂，尤其适用于弧性曲线分色。
2
Magnetic field curve distortion is found at the position of magnetic pole edge in Hall effect experiment, using HL-5 Hall effect testing instrument.
在利用HL-5霍尔效应测试仪测量磁场的实验中，发现有些仪器的测量曲线在磁极边缘附近存在畸变。
3
Third, argument-polar radius curve of polar coordinate system whose pole is geometric gravity is formed, and maximum and minimum value points are searched.