<tt id="6hsgl"><pre id="6hsgl"><pre id="6hsgl"></pre></pre></tt>
          <nav id="6hsgl"><th id="6hsgl"></th></nav>
          国产免费网站看v片元遮挡,一亚洲一区二区中文字幕,波多野结衣一区二区免费视频,天天色综网,久久综合给合久久狠狠狠,男人的天堂av一二三区,午夜福利看片在线观看,亚洲中文字幕在线无码一区二区
          US EUROPE AFRICA ASIA 中文
          Opinion / Op-Ed Contributors

          Heed the lessons missing flight has taught us

          By Gong Honglie (China Daily) Updated: 2014-12-22 10:20

          This year has been one of military and political crises, with some involving direct confrontations between major powers. Perhaps the only exception is the disapperance of Malaysia Airlines flight 370. Despite being far removed from "hard politics", it brought the world together in an unprecedented global search mission.

          Although the disappearance of a large modern plane on a routine commercial flight is still unbelievable, the incident broke our illusion of being able to locate anything with the help of modern technologies. What caused the almost impossible to happen? Could more flights vanish?

          Twenty-six countries used satellites, airplanes, ships, submarines and other modern devices in the first round of the search mission that lasted a month. And as the search progressed from one day to another, relatives and friends of the 239 passengers and crew members started losing hope of their survival.

          What happened to MH370 might never be known, or be known only decades later. Yet like all major air disasters, the incident revealed the drawbacks of the aviation industry, which have to be fixed to prevent "another flight from disappearing".

          Perhaps the greatest technological lesson to be learned from the incident is that a plane should be monitored during the entire stretch of its flight. With modern information technology, it is possible for flights to transmit live data to ground bases through the Aircraft Communications Addressing and Reporting System, which has been in use since the 1990s and which played a key role in determining the final route of MH370.

          Even if some airlines cannot adopt the system for financial reasons, they could at least improve the data-recording technology. Currently, flights mainly use black boxes to record data. But the data are used only to analyze the cause or causes of an accident. Besides, black boxes are not totally reliable. The black boxes of the two planes that crashed into the World Trade Center on Sept 11, 2001, were damaged beyond repair, and that of Air France flight 477 was found two years after it crashed.

          Previous Page 1 2 Next Page

          Most Viewed Today's Top News
          Considering money as the end is the tragedy
          ...
          主站蜘蛛池模板: 精品视频不卡免费观看| 欧美寡妇xxxx黑人猛交| 日日摸日日踫夜夜爽无码| 久久天天躁夜夜躁狠狠85| 黑人巨大videosjapan| 无码一区二区三区久久精品| 色悠悠国产在线视频一线| 亚洲av永久无码精品网站| 日韩精品成人网页视频在线| 亚洲成精品动漫久久精久| 亚洲av网站首页在线观看| 99爱在线精品免费观看| 国产不卡一区在线视频| 久久亚洲国产成人精品性色| 中文字幕一区二区三区麻豆| 国产日韩一区二区四季| 国产亚洲欧美精品一区| 国精品午夜福利视频不卡| 别揉我奶头~嗯~啊~的视频| www亚洲精品| 国产亚洲午夜高清国产拍精品| 国产精品无码专区在线观看不卡| 久久精品国产成人午夜福利| 在线欧美精品一区二区三区| 国产午夜福利视频第三区| 日韩欧美aⅴ综合网站发布| 色老99久久精品偷偷鲁| 国产真人无码作爱视频免费| 国产一区二区日韩在线| 东方av四虎在线观看| 欧美精品亚洲精品日韩专| www久久只有这里有精品| 最近中文字幕mv在线视频www| 亚洲成亚洲成网中文字幕| a级毛片毛片看久久| 四房播色综合久久婷婷 | 久久96热人妻偷产精品| 日韩欧美aⅴ综合网站发布| 久热这里有精品免费视频| 99e久热只有精品8在线直播| 国产一区二区三区无码免费|