表明A品种非水力根信号消失的时间晚于B品种1天，可知a品种比b品种对水分胁迫调节的能力强。
Indicated the time of a cultivar non - hydraulic root signal die out is late to the B cultivar 1 day.
振动信号的预处理，对于水力发电机组振动故障诊断系统而言是至关重要的。
Vibration signal pretreatment is much important to the vibrant fault diagnosiss ystem of waterpower set.
水力机组振动复杂，信号呈现出非线性、非平稳性。因此，振动信号的预处理在水力机组振动监测中非常重要。
It is very important for the signal pretreatment of hydraulic power vibration monitor because the situation of vibration is complicated, and the signal appears non-linear and non-stable character.
水力控制阀由于这种力矩平衡，保证了调节阀开度与输人信号之间对应关系准确，实现了阀芯正确定位。
Because of this torque balance, ensure the valve opening and the corresponding relationship between the input signal accurately to achieve the correct positioning of the spool.
水力控制阀由于这种力矩平衡，保证了调节阀开度与输人信号之间对应关系准确，实现了阀芯正确定位。
Because of this torque balance, ensure the valve opening and the corresponding relationship between the input signal accurately to achieve the correct positioning of the spool.
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