2. ac是哪个存储器的标识符。（ ） a 高速计数器 b 累加器 c 内部辅助寄存器 d 特殊辅助寄存器
the width of each bar in a histogram corresponds to the
术后病人血栓性静脉炎形成的主要原因( )
大家对本课程的学习有哪些建议和意见？
a large national bank charges local companies for using their services. a bank official reported the results of a regression ysis designed to predict the bank’s charges (y) -- measured in dollars per month -- for services rendered to local companies. one independent variable used to predict service charge to a company is the company’s sales revenue (x) -- measured in millions of dollars. data for 21 companies who use the bank’s services were used to fit the model: the results of the simple linear regression are provided below. a 95% confidence interval for is (15, 30). interpret the interval.
根据《ucp600》的规定，通知行通知信用证的行为，不视为他们已经确认了信用证的表面真实性。
金属在加热时，若加热温度过高，必将产生（）。
焊缝应尽量避开最大应力断面和应力集中位置。
a major videocassette rental chain is considering opening a new store in an area that currently does not have any such stores. the chain will open if there is evidence that more than 5,000 of the 20,000 households in the area are equipped with videocassette recorders (vcrs). it conducts a telephone poll of 300 randomly selected households in the area and finds that 96 have vcrs. the p-value associated with the test statistic in this problem is approximately equal to:
拉深最危险部位是直臂与底部的过渡圆角处。
which ofthe following statistics is not a measure of central tendency?