对双时间步方法隐式迭代的稳定性、启动问题、子迭代初值和收敛性准则进行分析。
The stability, starting problem, initial value of sub-iteration and convergence criterion of implicit iteration of the dual-time stepping method are studied.
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.
采用双时间步和预处理相结合的方法计算非稳态流场，保证了采用预处理方法后计算结果的时间精确性。
Time precision of calculation results of unsteady flow field was ensured by using combined method of dual-time step and preconditioning.
结论三步正骨手法治疗尺桡骨中、下段双骨折有骨折愈合时间短，功能恢复快等优点，并能减少骨折延迟愈合和不愈合等并发症。
Conclusion the use of three pace bone-setting manipulation restoring ulna and radius benifited functional recovery and reduced the rate of fracture delayed-union and nonunion.
研究结果表明，增补的时相，交叉步腾空时间、双支撑持续时间与标枪成绩的关联度较高。
The result proved that the time supplemented, the jumping time of cross steps, sustaining time of double support was highly related to the final results.
论述了通过双法兰差压变送器测定聚丙烯浆液密度，从而求出聚合反应釜中浆液浓度的方法，并进一步讨论了浆液浓度与平均停留时间、料位和聚合量等工艺参数之间的关系。
A method for calculating the slurry concentration inside the reactor was developed in this paper through determining the slurry density of polypropylene with double - flange pressure transmitter.
进一步进行国际比较发现，我国“双顺差”结构的规模大，持续时间长，不仅与相关理论相悖而且在实践中较为罕见。
Further through international comparison, China's "double surplus" structure of the large, long duration, not only inconsistent with the theory but also is rare in practice.
进一步进行国际比较发现，我国“双顺差”结构的规模大，持续时间长，不仅与相关理论相悖而且在实践中较为罕见。
Further through international comparison, China's "double surplus" structure of the large, long duration, not only inconsistent with the theory but also is rare in practice.
应用推荐