The advantage and application of doubledirection meridian line net shell structure of fixed roof for large diameter storage tank are introduced emphatically.
重点介绍了大直径储罐固定顶盖中双向子午线网壳结构的优点及应用情况。
2
The doubledirection alternate control strategy is applied to reduce the blindness of the target selected and approved for improving the reasoning efficiency.
利用双向交替控制策略减少选择目标和证实目标的盲目性，提高了推理效率。
3
When the equipment energy is limited, the repeated compaction and the doubledirection compaction are efficient ways to manufacture homogeneous and high-density powder parts.