This in effect created a high base, from which the February 2008 growth rate was calculated.
这实际上为计算2008年2月份出口增幅设定了一个较高的基数。
Deeply refined base stocks with high viscosity index can also improve energy economy effect and retentivity.
深度精制的高粘度指数基础油的使用可以提高发动机油节能效果和保持能力。
The effect of infiltration process on the microstructure and properties of iron-base materials with high alloying elements content was studied by metallography, SEM and mechanical property tests.
采用光学显微镜、扫描电镜观察和力学性能测试研究了熔渗处理对高合金铁基材料显微组织和性能的影响。
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