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3L˵µÄ²»¶Ô£¬MSµÄ°ïÖúÎļþÖУºCASTEP: Supports atom positions fixed in Cartesian space, fixed lattice parameters, and fixed interatomic distances, angles, and torsions, but ignores all combinations of constraints on the x, y, and z components of Cartesian atom positions and geometric constraints.
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