Effective prevention of human WNV infections depends on the development of comprehensive, integrated mosquito surveillance and control programmes in areas where the virus occurs.

有效的人类西尼罗河病毒感染预防有赖于在病毒存在区域制定综合、全面的蚊子监测和控制规划。

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A presentation is given of the trend of development and main technical points of the internationally advanced comprehensive control system for large centrifugal compressor units.

介绍国际上先进的大型离心式压缩机组综合控制系统的发展趋势和技术要点。

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Biological and ecological features of Phloeaslnus aubel are introduced and monitor, forecast, and comprehensive control measures are presented on its development and damage characteristics.

介绍了柏肤小蠹的生物学和生态学特性，并针对其发生为害特点，提出了监测预报方法和综合治理措施。

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