一 | Investigators said Friday they found hydraulic fluid leaking from a hose in the landing gear system of a FedEx plane that was forced to make an emergency landing this month in Chattanooga, Tennessee.The National Transportation Safety Board said that investigators also found a “discontinuity” in the wiring of an alternate system for lowering the landing gear.Video captured by emergency responders showed sparks flying after the Boeing 757 touched down on Oct. 4 with the left landing gear not fully extended. The plane ran off the end of the runway, but none of the three crew members were injured.The pilots reported that after taking off from Chattanooga, they got a warning about low fluid level and a lack of pressure in one of the hydraulic systems, and they decided to return to the airport. After getting an alert about the landing gear, the pilots declared an emergency. They did a low fly-by that allowed people in the airport tower to confirm that the left landing gear was not extended. The pilots circled and landed with the crippled gear. They were able to keep the plane going straight but couldn't stop until 830 feet beyond the end of the runway, the NTSB said in a preliminary report. Pilots used a slide to get out of the plane.The NTSB said an examination showed that a hose tied to a component used to activate the landing gear was leaking hydraulic fluid.The NTSB said it is continuing to investigate the incident.。 腾讯汤道生：元宝仍然有很大的赶超机会 人民财讯8月26日电，腾讯集团高级执行副总裁、云与智慧产业事业群总裁汤道生在腾讯内部专业刊物《知点》上刊文表示，对于元宝本身，虽然市场上主要竞品在拟人化和语音体验上做得不错，的确也值得我们学习。但如果回到问答产品的本质，用户最在意的，仍然是答案是否准确、信息来源是否权威可信、内容是否足够实时。元宝如果能够做好这些核心能力，仍然有很大的赶超机会。
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