Radar, sonar, and precise computer-generated graphics help keep the vessel on course. Now the ships are becoming more and more like airplane cockpits.
雷达，声纳和精确的电脑制图有助于确保游轮在正确的航线上航行。
Radar, sonar, and precise computer-generated graphics help keep the vessel on course. Now the ships are becoming more and more like airplane cockpits.
雷达，声纳和精确的电脑制图有助于确保游轮在正确的航线上航行。
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