检查db 2 exfmt或Visual Explain输出中经过优化的SQL，因为这是关系数据源下推分析和查询优化器确定计划的基础。
Inspect the optimized SQL in the db2exfmt or Visual Explain output, as this is the basis for the planning decision of the relational data source push-down analysis and the query optimizer.
通过分析CLI跟踪可以发现，查询构建器中指定的谓词没有被下推到DB 2中。
Analyzing the CLI trace shows that predicates specified in the query builder are not pushed down to DB2.
在一齿啮合的情况下推导了座椅调角器效率计算公式，分析出摆线针轮少齿啮合时啮合位置对效率的影响规律。
The dissertation gave the calculating method of efficiency when one teeth engage, and analyzed what influence the engaging position have to the efficiency.
应用推荐