针对近飞目标和交叉飞行目标的情况，点迹与航迹的关联采用了分块处理技术，并融合了目标的速度信息。
To deal with the situations of close flight and cross flight, the velocity information of targets and the method of partly processing are taken into track correlation.
一架客机在飞近肯尼迪机场时险些出事。
An airliner came close to disaster while approaching Kennedy Airport.
另一名驾驶员在机场地面看到小型飞机向直升机飞近，他设法用无线电紧急警告上空的直升机驾驶员，但他可能没有听到，或听到时为时已晚。
Another pilot on the ground at the heliport saw the plane approaching and tried to radio an alert to the helicopter above. But the warning was either not heard, or failed to get through in time.
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