病人: patient; invalid使用: make use of; use; employ; ap ...连续: 6年未出事故. There have been no a ...变化: change; variety; transformat ...的: 4次方是 The fourth power of 2 i ...衰减器: attenuator; attenuation pad; ...来: come; arrive控制: control; dominate; regulate; ...声强: intensity of sound; sound in ...可连续变化的: continuously-variable校准的衰减器: calibrated attenuator不连续变化: discontinuous change连续变化法: continuous variation method; method of continuous variation连续变化连续变速: continuous change有损耗的衰减器: lossy衰减器控制: pad control连续变化电位计: continuous potentiometer连续变化电压计: continuous potentiometer连续可变光衰减器: continuous variable optical attenuator; continuously varialbe optical attenuator来控制: s attack连续变推力控制: continuously variable thrust control; continuously-variable thrust control电压控制衰减器: voltage controlled attenuator衰减器控制存储器: pad control memory控制声: cs controlled soundt衰减器: t attenuator; t-attenuator