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topple down (使)垮下來。

topple over

The interlocking software is the key component of the computer interlocking system , its failure may cause the fatal accident , such as trains come into collision or trains are toppled down . so how to ensure the reliability of the interlocking software is becoming an important subject when designing the computer interlocking system 在計算機聯鎖系統中,聯鎖軟件是執行聯鎖運算的核心機構,它的失效有可能導致列車的相撞或顛覆等重大事故,如何保障聯鎖軟件的可靠性已經成為開發計算機聯鎖軟件系統聯鎖軟件的一項重要課題。

In the city of ankang , rain - triggered floods have affected 420 , 000 people and toppled down more than 9 , 600 houses , resulting in 233 million yuan ( 30 . 8 million u . s . dollars ) in economic losses 在安康市,雨水引發的洪水使420 , 000人受災,超過9 , 600棟房屋被沖毀,共計經濟損失2 . 33億元人民幣[合3080萬美元] 。