冬季的侧柏切片，其超声发射信号量和持续时间均比夏季的少，幅度、振铃计数和上升时间差别不大。
The amount of signals and duration were smaller than in summer, and amplitude, rise-time, ringing counts were not very different.
在混凝土破裂过程中，电位信号呈连续增大趋势，在主破坏时声发射率和电位信号均有大幅度增加。
The electric potential signal shows a continuously increasing trend in the fracture process of concrete, and there is large increasing in AE rate and electric potential in the main fracture.
在混凝土破裂过程中，电位信号呈连续增大趋势，在主破坏时声发射率和电位信号均有大幅度增加。
The electric potential signal shows a continuously increasing trend in the fracture process of concrete, and there is large increasing in AE rate and electric potential in the main fracture.
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