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There’s just one hitch: the system still needs guinea pigs. Even the best weather models can’t pinpoint where clear-air turbulence will occur. So the NCAR programs continue to rely on firsthand reports from planes that have already been tossed around. New technologies could change that in coming years. A plane equipped with a lidar sensor—which uses lasers to detect much finer particles than radar can—could pick up on turbulence even in a cloudless sky. But lidar systems are still too bulky and expensive to fit into a plane’s nose cone. And the government and the airline industry have been slow to invest in improving them. For now, the best hope for a flight heading into turbulence might be to program the plane itself to ride the bumps.，详情可参考快连下载-Letsvpn下载
从“避之不及”到“引以为傲”，背后是黑河寒区试车产业占全国80％市场份额的底气，更有黑龙江振兴发展的理念之转、路径之变。，详情可参考heLLoword翻译官方下载
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