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The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The factors related with metamorphic reservoir space are crystallization, structure, physical weathering, and chemical eluviation.
变质岩储集空间形成主要有：结晶成因、构造成因、物理风化成因、化学淋溶成因。
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