Projectively flat totally real minimal submanifolds in CP^4 is studied. The infimum of volume and its necessary and sufficient condition are obtained.
摘要研究了复射影空间的射影平坦、全实极小子流,了体积下确界与达下确界的充要条件。
Projectively flat totally real minimal submanifolds in CP^4 is studied. The infimum of volume and its necessary and sufficient condition are obtained.
摘要研究了复射影空间的射影平坦、全实极小子流,了体积下确界与达下确界的充要条件。
Base sheet and electrode conductor is projectively welded to overcome sticking problem between electrodes of AA type charging batt e ry. The procedure is applied to production.
采用多点凸焊工解决了AA型可充电电池基片与极耳点焊时粘连电极的问题,应用于电池生产,效果很好。
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