The efficacy of antimicrobials varies over time and from country to country in response to antimicrobial use patterns and movement of organisms between communities.

抗菌素的疗效随时间推移而变化，并且根据其使用模式和生物在社区之间的流动情况各国有所不同。

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In this way, studying the efficacy of DNA damage response inhibitors on HBV infection and replication was available.

通过这种方式，研究DNA损伤反应抑制剂对于HBV感染和复制的作用成为可能。

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Normal University student's self-efficacy level influence study topic choice, thought and emotion response pattern and new study advancement and quality.

大学生的自我效能感水平影响学习课题的选择、思维和情感反应模式及新学习的进程与质量。

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Given the magnitude of the disaster, and the likely increase in the death toll, China certainly faces further tests on the efficacy of its response.

ECONOMIST: China

Foolish editorialists suggested that the response to Hurricane Sandy demonstrated the efficacy of big government.

FORBES: The Faux Morality of Big Government and Anti-Gouging Laws