洋基队也需要一名多功用的内野手、后备捕手和一垒手，但是现金男对于他现在只把焦点方在投手上感到紧张不安。
The yankees are still in need of a utility infielder backup catcher and possibly a first baseman but cashman stressed that his current focus is solely on pitching.
计算结果表明，对于两对称方势垒夹一个任意形状势阱的位势，也可能存在谐振隧穿现象。
The calculated results show that the resonance tunneling phenomenon for the potential, which has an arbitrary shape well between double symmetric square barriers could also exist.
蓝失谐的激光束相对于冷原子而言等效于一个量子力学势垒。
The blue detuned laser beam is physically equal to a quantum potential barrier.
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