基本解釋[交通運輸工程]匝道儀控號志英漢例句權(quán)威例句These alerts will enable drivers to plan and share alternative travel routes, improve traveler safety and help transportation authorities better predict and reduce bumper-to-bumper traffic before it occurs through improved traffic signal timing, ramp metering and route planning.ENGADGET: IBM shows off Smarter Traveler traffic prediction toolramp metering signal更多例句專業(yè)釋義交通運輸工程匝道儀控號志