因为它是一种异步的机制，ATM与同步传输模式理论（比如时分复用技术，它为每个用户预定义了时间片）并不相同。
Because it is an asynchronous mechanism, ATM differs from synchronous transfer mode methods, where time-division multiplexing techniques are employed to preassign users to time slots.
光时分复用（OTDM）技术是实现超大容量传输的最有希望的途径之一。
Optical time division multiplexing (OTDM) technology is one of the most promising way to achieve ultrahigh bit rate transmission.
新型遥传仪器仍采用时分复用技术传输数据，但其仪器总线的格式与传统遥传仪器截然不同。
The new kind of telemetry tools uplink the data using TDM technology, but the data format of the tool bus is very different from traditional telemetry tools.
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