Whereas, when HL-911 protection agent was applied for the idle equipment, the protection has been greatly improved.

采用内加HL—911型停置设备保护剂后，收到了令人满意的效果。

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This paper studied the effect of the cold hardiness of plant low temperature protection agent on the tomato seedlings.

采用由我们研制的植物低温保护剂对番茄幼苗抗寒力的影响。

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Through the analysis on the cultivatived protection agent system in China, this paper constructs the reasonable way of the cultivatived protection.

本文通过对我国耕地保护的营力系统的分析，提出了构建耕地保护的合理路径。

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The father had also contacted people explaining that he was a secret agent who was leaving as part of a witness protection programme.

BBC: France: Nantes 'shot' family's car found on Riviera

The Environmental Protection Agency has classified secondhand smoke as a known human cancer-causing agent.

CNN: Study: Smoke-free laws may cut heart attack hospitalizations

" Hector Gonzalez, an FBI supervisory special agent, is more blunt: "Many of these criminals are hiding behind governments for protection.

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