Single data replica management strategy can not meet the complexity and diverseness in data grid.

单一策略的复本管理不能适应网格系统复杂、多变的环境。

Finally, attitude toward the execution of new curriculum schema of people with different professional title, seniority or educational background shows little diverseness .

不同职称、年资、学历对实施新课程纲要态度差异性不大。