The announcement was made on Friday on the website of the state-owned Northern Maritime Safety Co-operation, warning all vessels to avoid the area.
周五的声明在越南国有的北方海事安全合作网站上发布，警告一切船只远离该海域。
As an important component of freeway off-ramp, the design of diverges area affects freeway operation and safety, but most present research on freeway off-ramp centralizes on traffic capacity.
分流区是高速公路出口匝道的重要组成部分，分流区的合理设计关系到高速公路的运行效率和交通安全。
Because the electric and magnetic fields exist within the blasting area, the nonelectric initiation technology was used to avoid the effect of stray current, ensuring the safety of blasting operation.
由于爆区范围内存在较强的电场和磁场，采用了非电起爆技术，避免了杂散电流的影响，保证了爆破作业的安全。
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