Metal cutting process is a very complex process. Fig. 7.2 shows the basic material removal operation schematically.
金属切削过程是一个很复杂的过程。图7.2用图的形式显示了基本材料去除作业。
Complexing agent: can with metal ions or containing metal ions compounds formed the material with complex.
络合剂：能与金属离子或含有金属离子的化合物结合而形成络合物的物质。
Polymeric metal complex could be a new kind of designable magnetic material through controlling the electronic interaction between the metal ions in the polymer by molecular design.
高分子金属配合物由于可以通过分子设计控制金属离子之间的电子相互作用，有望成为一类新型的可设计磁性材料。
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