1.In binary synchronous communication, the use of clock pulses to control synchron ization of data and control characters.

1.在二进位同步通信中,使时钟脉冲来控和控字的同步。

2.Structure design and performance characteristics of synchron system and hydraulic accumulator of hydraulic sheet shears used in uncoiling line have been introduced.

2.介于开卷线的液压剪板机的同步系统和液压蓄能器的结构设计及其性能特点。