对于长度为n的顺序存储的线性表,当随机插入和删除一个元素时,需平均移动【 】个元素。
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“有项目”与“无项目”效益和费用的计算期应如何确定?
Which of the following activities activities does not involve writing?
A. Completion according to outlines.
B. Completion with multiple choices.
Completion according to topic sentences.
D. Completion according to the brainstormin
根椐我国有关法律法规规定锅炉、高压容器、压力管道和起重设备属于特种设备。()