synchronous RAM同步随机存取存储器synchronousadj.同时的；同步的synchronous remote control同步摇控synchronous shift register同步移位寄存器synchronous loading device同步加载装置synchronous connecting rod同步连杆synchronous stream manager同步流管理器synchronous binary counter同步二进制计数器synchronous traffic signal同步交通信号synchronous carrier system同步载波系统synchronous closing device同时闭合装置synchronous phase advancer同步进相机