积极推进“互联网+”行动,必须坚持引领跨越的原则,巩固提升我国互联网发展优势,加强重点领域前瞻性布局,以互联网融合创新为突破口,培育壮大新兴产业,引领新一轮科( ),实现跨越式发展
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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