Aimed at the safety and based on the potential problems during cargo handling, the precautionary measures to the operation of loading and discharging are introduced in this paper.
以散装货船装卸货的特殊性为出发点，介绍了散装货船在装卸货物过程中可能存在的潜在危险及防范措施，旨在保证散装货船装卸过程中的安全。
This article analyses the security problems related to Internet, and then mainly discusses the precautionary measures to protect password, to prevent Internet from hacking and virus damage.
本文分析上网涉及的安全问题，介绍了关于密码安全、黑客攻击、病毒破坏诸方面的预防措施。
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