Since May 1, 2017, round off chip magneticcomposite card magnetic stripe transaction.
自2017年5月1日起，全面关闭芯片磁条复合卡的磁条交易。
2
The properties of inorganic magnetic particles affect the magnetism of magneticcomposite polymer microsphere.
无机磁性微粒的性质是影响磁性高分子微球磁响应性的主要因素。
3
For the above problems, the preparation and characterization of magneticcomposite polymer microsphere with carboxyl groups and amido groups are studied in this thesis.