start at起始于
startv.开始;出发;震惊n.开始;震动;领先优势;起推动作用的外力
start sb. in business借钱使某人做生意
start of test character正文开始字符
start of message signal电报开始信号
start-ignition system起动点火系统
starting air stop valve起动空气截止阀
starting dialing signal[计] 启动拨号信号
start dial signal delay开始拨号时延