Vessels should not anchor or trawl in the vicinity of pipelines and are()in the pipeline area shown on the chart.
A. Prohibit to anchor
B. Prohibited to anchor
C. Prohibited from anchor
D. Prohibited from anchoring
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处理拒爆炮或残炮时可在距离拒爆炮眼或残炮眼()米以外打平行炮眼,重新装药起爆。
A. 0.2
B. 0.3
C. 0.4
Which of the following objects contains control structures that are considered the bound form of SQL statements?()
A. UDT
B. Trigger
C. Package
D. Access pla
在设计中断服务程序的时候,进入中断服务之前一般要(),退出中断服务之前要()。
社会经济统计学作为一门学科诞生是以什么著作的问世为标志的?其作者是谁?哪国人?