traffic aid

基本解釋

Scouts stepped in to fill public-service jobs, helping at the hospitals, sorting out aid supplies, even directing traffic.
童子軍們就擔(dān)任起了公共服務(wù)的工作。幫助醫(yī)院，清點援助物資，甚至指揮交通。
Traffic security status is austere in our country, so the research on automobile traffic accident and aid of traffic accident is urgent and necessary.
隨著我國經(jīng)濟(jì)的快速發(fā)展，汽車保有量不斷增加，使得汽車交通事故也呈逐年上升的趨勢。
SRA International Inc. has won a ＄20 million contract to provide the Federal Aviation Administration with technology designed to aid air traffic control at some of the nation’s smaller airports.
SRA國際公司與美國聯(lián)邦航空局達(dá)成價值2000萬美元的合同，為國內(nèi)的小型機(jī)場提供空中交通管制技術(shù)。
www.etiri.com.cn

The U.S.military has assumed control of air traffic control in and out of the capital, prompting complaints from some aid organizations and foreign officials.