【多选题】设计图像处理软件中图像复原模块时,可用算法包括
【简答题】First read the passage and then write out a summary in about 120-150 words. In recent years many countries of the world have been faced with the problem of how to make their workers more productive . ...
【简答题】方程的解集为 用列举法表示为____________.
【单选题】起重机械操作人员应负有()职责。
D.
起重机械有倒塌危险时,应立即采取紧急措施,并向单位有关负责人报告