Three-terminal spintronic devices, i. e. , spin transistors, are also reviewed with the focus on the basic physical principles for these pure research devices at present.

自旋晶体管作为未来磁电子学或自旋电子学时代的基本元素，目前大都还处在概念型阶段，本文也将对几种自旋晶体管的大致原理作简要介绍。

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Terminal A, three stops at Terminal B.

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It took five days for the ship to dock at the Alabama Cruise Terminal, three days after it was due.

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British Airways was forced to abandon its plans of moving its entire Heathrow operations to Terminal 5 in just three days in April, after its baggage system ground to a halt, resulting in chaos in the terminal's opening days.

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