The study compared the efficacy and safety of ultrasound with t-PA vs t-PA only in a trial involving 126 patients.
该研究比较了联合应用超声波和t -PA与单独使用t - PA的作用与安全性，研究涉及了126例患者。
Considering the effect of distribution of amplitude vs time t, we reconsider the problem of transition of a two-level atoms which interacts with optic field.
考虑到光场的振幅随时间分布的影响时，我们重新研究了光场与二能级原子相互作用的跃迁几率问题。
The shield voltage, Vs (t), can be solved for by conventional circuit analysis techniques, or simulated by actually building and carefully making measurements on a circuit with the given parameters.
屏蔽层的电压Vs (t)既可以根据电路理论计算，也可以按照所给出的参数先搭电路，再精确测量来获得。
The shield voltage, Vs (t), can be solved for by conventional circuit analysis techniques, or simulated by actually building and carefully making measurements on a circuit with the given parameters.
屏蔽层的电压Vs (t)既可以根据电路理论计算，也可以按照所给出的参数先搭电路，再精确测量来获得。
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