This is currently the most efficient way totransmit certain types of data like electronic mail.
这是目前传输电子邮件等某类数据最有效的方法。
《柯林斯英汉双解大词典》
2
While each box contains a beacon, the unit only has enough battery power totransmit a signal for 30 days.
虽然每个盒子里都有一个信标，但这个装置的电池只能够传输30天信号。
3
Since most camera flashes emit IR along with their burst of visible light, the one substitution allowed the prototype totransmit and record infrared light.