The initial launch using rockets upset the gyroscopes, and radio guidance was unreliable because vacuum tubes suffered under high acceleration.
而最初用火箭来发射却干扰了回旋装置，而且无线电导航也缺乏其可靠性，原因是真空管在高度加速的情况下承受不了压力。
Considering the initial atomic coherence and the detuning, dipole squeezing of a two-level atom interacting with squeezed vacuum field is studied by means of the time-evolution operator method.
文中采用时间演化算符，考虑到初始原子相干性及失谐量，研究了单个二能级原子与压缩真空态辐射场相互作用中原子的偶极压缩。
In this paper we discuss the base state of initial and final states in the transition from the generating functional of quantum mechanics to that of field theory, i. e. the problem of vacuum state.
本文讨论由量子力学的生成泛函过渡到场论的生成泛函时如何考虑起始态与终了态的基态，即真空态的问题。
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