若在适当端口施加正弦电压源，则网络的稳定性取决于进入端口基波电流的实功与虚功成份的符号值。
When exciting Sin voltage source is applied to proper port, the stability of network depends on the sign of active and reactive components for fundamental-wave current entering port of networks.
这些设备感应类似电流的电脑波然后把他们加工成能操控游戏的尺度的数字符号。
The devices sense analog electrical brain waves and process them into digital signals to make measurements that can control games.
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