我们已经有了电子琴和演奏的人，但如果你想加入我们的演唱，我们将非常欢迎你。
We've got a keyboard, and someone who plays, but if you'd like to join in the singing, you'd be very welcome.
通过一种乐谱与PLC程序的转换方法，设计了基于PLC的电子琴自动演奏系统。
According to a transfer approach of music score and PLC program, an auto-play system of electronic organ based on PLC was designed.
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