Other problems with PDEs at this stage of their development include being able to inject and detonate the trigger charge at exactly the right moment to produce detonation of the main air-fuel charge.

• 与偏微分方程的其他问题，这是他们的发展阶段，包括可以注入和引爆在正确的时刻触发爆炸负责生产的主要空气燃油附加费。