The quantitative analysis was carried out by using relative sensitivity factors (RSF).
采用相对灵敏度因子(RSF)进行质谱定量分析。
RSF chooses schools that seem most likely to succeed, then gives them up to $500,000 over 30 months.
RSF挑出最可望成功的学校，在之后的30个月内拨给它们多达50万美元的校款。
Most countries make pledges to uphold international accords guaranteeing freedom of the press, says RSF, but many fail.
RSF说，大多数国家声称要执行国际惯例，保证新闻自由，但是很多都没做到。
Her group, launched by RSF, visits local neighbourhoods to teach parents about new schools and how to send their children there.
RSF创立了她的团队。她们走访社区，向家长们宣传新学校及其子女入学的方法。
Increasingly, RSF looks for those with sound management and plans to use data to improve performance. (Urban Prep tests students every six weeks.)
RSF也越来越注重那些使用数据分析提高学习成绩、具有健全管理和计划的学校(市区特许专校每六个星期测试一次)。
The development on quantitative analysis of si in GaAs by SIMS is reviewed critically. Therelative sensitivity factor (RSF) method is discussed in detail.
评述砷化镓中硅SIMS定量分析的进展，讨论了相对灵敏度因子法。
The development on quantitative analysis of si in GaAs by SIMS is reviewed critically. Therelative sensitivity factor (RSF) method is discussed in detail.
评述砷化镓中硅SIMS定量分析的进展，讨论了相对灵敏度因子法。
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