fn cmd_out(cmd: &str, args: &[&str]) - Option {
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。新收录的资料对此有专业解读
Though no known asteroids pose an existential threat to the planet right now, scientists are on the lookout for any hazardous near-Earth objects. Even smaller rocks can be disastrous. In 2013, an undetected meteor exploded over Chelyabinsk, Russia, causing an airburst and shockwave that injured 1,600 people. The culprit was only 60 feet wide.
Европейская страна обвинила США и Израиль в нарушении международного права20:06
，这一点在新收录的资料中也有详细论述
0 0 1 1 2 2 3 3，详情可参考新收录的资料
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