求解程序采用虚拟压缩方法和双时间步的时间推进方案，对流项的差分采用高阶精度的数值差分格式。
The present solver USES a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method.
当局决心全速推进其改革方案。
The administration was determined to go full steam ahead with its reform programme.
为了准确地得到推进剂混合物，专利方案里展示了一个利用3 - D立体平版印刷术打印出燃料的混合动力火箭发动机。
To achieve the right mixture of propellant, the patent presents a hybrid rocket motor that would use 3-d stereolithography to essentially print the fuel.
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