This paper describes the principle of th principle of the earth-leakage protection installation and its application to the d.

本文叙述了煤矿井下直流架线电网漏电保护的原理及应用。

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At the same time, using the traitor tracing scheme, it constructs a kind of signing electronic license and software installation scheme which gives an efficient digital copyright protection scheme.

同时，利用此叛逆者追踪方案，构造出一种签发电子证书和软件安装方案，从而给出了一种有效的数字版权保护方案。

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Install all weather protection devices such as tents and shelters over the work areas to maintain installation schedule.

在工作区域安装所有气象保护装置，比如帐和遮蔽物，从而保证安装进度。

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The council said that as part of the restoration project, the 17 panels in the hall will be subject to a survey, and the installation of "suitable protection" during the work, which starts in mid July.

BBC: Swansea's Brangwyn Hall to close for facelift

These solutions integrate seamlessly with multi-vendor and legacy protection relays and devices and enable easy expansion, installation and testing, along with flexibility in design, engineering, commissioning and upgrades throughout the life of a protection and control system.

FORBES: GE Targets High-Growth Power Equipment Market with Packaged Solutions