Float switch can automatically control the start and stop of pump according to the variation of required liquid level, with no need of a special person to care about, making operation quite easy.
浮球开关可以根据所需液位变化，自动控制泵的起动与停止，不需专人看管，使用极为方便。
The invention proposes an apparatus and method for implementing official telephone by a main control board, making operation and maintenance much more flexible and convenient.
本发明提出了一种主控板实现公务电话的装置和方法，使操作维护更加灵活便捷。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
Conclusion SEP examination could sensitively reveal the extent of neurological damage of patients with TCS. SEP was useful in establishment of diagnose and making operation choice.
结论SEP可较敏感反映TCS患者的脊髓、神经损伤程度，对确立诊断和手术时机的选择提供有价值的资料。
Conclusion SEP examination could sensitively reveal the extent of neurological damage of patients with TCS. SEP was useful in establishment of diagnose and making operation choice.
结论SEP可较敏感反映TCS患者的脊髓、神经损伤程度，对确立诊断和手术时机的选择提供有价值的资料。
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