| 1. | Two photons are created in the decay of the neutral pion .
双光子是在中性兀介子衰变中产生的。
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| 2. | the half life of the uncharged pion is 6×s.
中性兀介子的半衰期为6秒。
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| 3. | The pions form another triplet, electrically different but otherwise alike .
介子构成另一种三重态，只是电荷不同，其它方面均相同。
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| 4. | During its brief existence, the pion carries momentum from one nucleon to the other .
在它短暂的存在期间内，它将动量从一个核子带到另一个核子。
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| 5. | Scor pions will enter a per iod of str ess . .
天蝎座将要面临一些压力. .
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| 6. | Known as " the graveyard of cham pions .
这就是常被称为’冠军的墓地‘
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| 7. | Known as " the graveyard of cham pions .
这就是常被称为’冠军的墓地‘
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| 8. | Scor pions will enter a per iod of str ess
天蝎座将要面临一些压力
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| 9. | The pions produced at the edge of source influence the parameter
在边缘区域内产生的介子主要影响参数的变化。
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| 10. | Meanwhile the pions quickly decay into mu mesons , or muons , which penetrate to the ground
同时，介子会快速衰变成缈子抵达地面。
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