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1·The neutron energies were determined by activity ratios of Nb and Zr foils.

中子能量用铌锆活度比法测定。

2·Total average assets is used to determine activity ratios and, when multiplied by the profit margin on sales, provides better insight into the profitability of a company.

平均资产总额被用于确定活动比率，当乘以销售利润率时，可以更深入地显示出公司盈利能力。

3·Buffer activity for transfers, accesses, and cache (kernel block buffer cache) hit ratios.

传输、访问和缓存(内核块缓冲区缓存)命中率的缓冲区活动。

4·The relative ratios of glycollate oxidase activity to photosynthesis activity in leaves at different ages and under different light intensities were also different.

橡胶树不同年龄或不同光强下的叶片，其乙醇酸氧化酶活性与光合活性的相对比值亦不相同。

5·The effect of metal ratios on the activity was investigated.

考察了不同金属配比对催化剂活性的影响。