Researchers created a mathematical model analyzing combustion waves — from slow flames to supersonic detonation. It yields accurate solutions and explains the transition from deflagration to detonation. The work paves the way for safer engines and improved protection against industrial explosions.

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In Modular Design higher-level modules shouldn’t depend on lower-level modules. That’s because abstract modules shouldn’t be limited by concrete solutions. Another reason is testability - modules that have direct dependencies to lower-level modules are harder to test.

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Credit: Stan Schroeder/Mashable。体育直播对此有专业解读

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