What's the biggest mistake we make in life?The answer is you think you have time.Time is free but it's priceless.You can't keep it but you can use it.And once it's lost ,you can never get it back.人生最大的错误是什么?答案是你一直觉得你还有时间。时间是免费的但也是无价的.你不...
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The helicopter made this same request again a short while later, after air traffic control again alerted them to the presence of the CRJ passenger jet. • ATC: "PAT-25, there's traffic just south of the Wilson Bridge, CRJ is at 1,200ft setting up for R...
PAT25, pass behind the CRJ." This is a modal window. undefined OK Close Modal Dialog Audio suggest air traffic controller instructing military helicopter to avoid passenger jet Airport security cameras captured the helicopter on a collision course with the plane in the f...
doi:10.1111/crj.12274Knut SkaugGeir Egil EideAmund GulsvikJohn Wiley & Sons, Ltd.Clinical Respiratory Journal
A few minutes before the Canadian-made Bombardier CRJ-700 series twin-engine jet was to land, air traffic controllers asked Flight 5342 if it could use a shorter runway. The pilots agreed. Controllers cleared the landing. Flight-tracking sites show the plane adjusted its approach to the new ...
The plane, a Bombardier CRJ700, had taken off from Wichita, Kansas. American Eagle and PSA Airlines are subsidiaries of American Airlines. The helicopter involved in the collision was on a training flight and had belonged to B Company, 12th Aviation Battalion out of Fort Belvoir in Virginia,...
病毒的结构非常简单，由蛋白质外壳和内部的遗传物质组成。病毒不能独立生存，必须生活在其他生物的细胞内。当它进入宿主细胞后，它就可以利用细胞中的物质和能量完成生命活动，按照它自己的核酸所包含的遗传信息产生新-代病毒。病毒没有自己的代谢机构，不能进行新陈代谢，所以病毒不是生命体。以下各项如果为真...
An air traffic controller said, “PAT 2-5 do you have the CRJ in sight?” The controller then said, “PAT 2-5 pass behind the CRJ.” Additional air traffic control audio shortly before the collision captures the helicopter pilot saying, “PAT 2-5 has aircraft in sight, request visual...
Video obtained by CNN shows the rear landing gear of the jet buckling and the right wing shearing away in a fireball after the plane landed hard on the runway. All 80 people on board the CRJ900 twin-jet aircraft survived, but 21 people were taken to hospitals with injuries, Delta said...