How to use"synchronous"to make a sentence?

Then there's a technology proposed by several Swedish companies,called Dynamic synchronous Transfer Mode(DTM).
其次,有一项几家瑞典公司提出的技术,叫动态同步传输模式（dtm）.
In an ACF/VTAM application program,a way for one node to stop another node from sending synchronous flow messages.
在ibm的通信系统软件acf／vtam的应用程序中,一个节点停止另一个节点发送同步流报文的一种方法.
A character inserted to fill a blank time slot in synchronous transmission,or inserted to fulfill a character-count requirement in transmissi ons of fixed block lengths.
为填满同步传输中空时间间隙或为满足在定长块传输中要求的字符计数而插入的一种字符.

China has sent five man-made synchronous satellites中国已经发射了五颗人造同步卫星