On February 25th the Bureau of Economic Analysis revised GDP growth down to just 2.8%, scarcely more than the 2.6% performance in the third quarter.
2月25日，美国经济研究局修改了GDP增长数据使其降至2.8%，这仅比第三季度的2.6%高出了0.2个百分点。
Diagnostic and analysis tools provide economic data and reports based on the mechanical condition, performance and vibration of industrial reciprocating engines, compressors, and rotating equipment.
诊断和分析工具提供经济数据和报告的基础上的机械状况，性能和振动的工业往复发动机，压缩机，和旋转设备。
The analysis of its technical specification and economic performance validates its effectiveness and feasibility.
通过分析其技术指标和经济性能，验证了该方案的有效性。
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