Every countable open filter base which has an only accumulation point in X is convergent to the accumulation point;
X中每个有唯一聚点的可数开滤子基收敛于该聚点；
This article describes a new method of changing the variable of state active RC filter to current-mode filter base on the third-generation current conveyor.
提出了由电压模式有源RC滤波器导出基于第三代电流传输器的电流模式滤波器的方法。
According to the principle of FBG temperature sensor and filter base on LPG, the paper puts forward a new optical fiber grating temperature alarming model sensitive to temperature.
文章依据FBG温度传感的原理以及LPG滤波技术，提出了一种新的光纤光栅温度报警模型。
The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.
介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。
The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.
介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。
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