The characteristics of a TM card and its reading-writingcircuit and software program are discussed in detail, and a design of TM card watt-hour meter is introduced in brief.
详细讨论了TM卡的特点及其读写电路和软件程序，并简要介绍了一种TM卡收费电表的设计。
2
He said he wanted to go on the speaking circuit and maybe do some writing.
他说他希望能够继续自己的演说生活，或者写一些东西。
3
In 1980, Rogers "retired" to spend time on writing, traveling and the guest lecture circuit.