【多选题】采用约当产量比例法,必须正确计算在产品的约当产量,而在产品约当产量计算正确与否取决于产品完工程度的测定,预定在产品完工程度的方法有()
【简答题】在上题的分组交换网中,设报文长度和分组长度分别为x和(p+h) (bit)其中 p为分组的数据部分的长度,而 h 为每个分组所带的控制信息固定长度,与p 的大小无关。通信的两端共经过k 段链路。链路的数据率为 b(bit/s,) 但传播时延和结点的排队时间均可忽略不计。若打算使总的时延为最小,问分组的数据部分长度 p应取为多大 ?
【单选题】—Mum, can I go to the zoo with Jack this weekend? —When your homework_______, you can.
【多选题】采用约当产量比例法,必须正确计算在产品的约当产量,而在产品约当产量的计算正确与否取决于产品完工程度的测定,测定在产品完工程度的方法有
【单选题】Mum,can I go to the zoo with Jack? —When your homework___,you can.
【简答题】改错题。 It was sunny this afternoon. Mum and I go to the park where is near my home for a walk. When we were walking, I saw the little girl. She was eating a banana. After she finished eating them, she t...
【单选题】—Mum, can I go to the concert tonight? —Sure, but you _____ finish your homework first. [ ]
【单选题】-Mum, can I go to the zoo with Linda? -When your homework ____, you can.