In the troposcatter communication at low rate or medium rate, a bit synchronization used by modem is usually extracted from the envelope that contains synchronization information.

在中低速散射通信中，调制解调器的位同步信号通常从含有同步信息的包络中提取。

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DM1 1 slot Data, Medium rate.

DM 1 1时隙数据，中速。

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Eleven babies were born from the low risk group (61% success rate) compared to five from the medium risk group (19% success rate) and none from those deemed high risk.

BBC: IVF 'may be boosted by time-lapse embryo imaging'

Television is definitely losing appeal to marketers, particularly with the medium's current rate structure.

FORBES: Magazine Article

The Chinese government says it will move towards a more flexible exchange rate in the medium term, but for the moment it wants to keep the yuan stable in order to support broader economic stability.

ECONOMIST: China's economy