There are many video conferencing program, each have their own performance technology.

现在有许多视频会议程序, 每个都有各自的性能提升技术.

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This article introduces the features, equipment and safety measures of multi - rope winding shaft of hoisting system.

介绍了多绳缠绕式斜坡提升技术系统的特点 、 设备装置,及其采用的安全措施.

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Many large enterprises upgraded their technology and increased their competitiveness through self - reliance and strenuous efforts.

一批大型企业走出了依靠自身力量提升技术水平、增强竞争能力的新路子.

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