设有以下说明语句： typedef struct { int n; char ch[8]; } PER;则下面叙述中正确的是( )。 A．PER是结构体变量名 B．PER是结构体类型名 C．typedef struct是结构体类型 D．struct是结构体类型名

The price-earnings ratio is calculated by dividing: A: Market value per share by earnings per share. B: Earnings per share by market value per share. C: Dividends per share by earnings per share. D: Dividends per share by market value per share. E: Market value per share by dividends per share.

per day, per week

The unit of Porter is () A: Characters per second B: Bit per second C: Frames per second D: Bytes per second

【单选题】数据传输速率的单位“bps”代表( ). A.bytes per second B.bits per second C.baud per second D.billion per second

The operational parameter concerned with the number of units completed per unit time (such as per week or per month) is

传输速率单位“bps”代表（）。 A: BYTES PER SECOND B: BITS PER SECOND C: BAUD PER SECOND D: BILLION PER SECOND

How much is the extra large tent A: $10 per day B: $450 per day C: $500 per day D: $600 per day

数据传输速率的单位“bps”代表（ ）。 A: bits per second B: baud per second C: billion per second D: bytes per second

数据传输速率的单位“bps”代表（ ）。 A: bits per second B: baud per second C: billion per second D: bytes per second