释义 |
Examples:composite number (i.e. not prime, has a factorization)—the number of molecules in a mole, about 6.022 x 10^23—hand foot and mouth disease, HFMD, caused by a number of intestinal viruses, usually affecting young children—stroke count (number of brushstrokes of a Chinese character)—(classifier for the ordinal number of a crop, in the context of multiple harvests)—Chen Jingrun (1933-1996) Chinese number theorist—cetane number (quality of light diesel fuel, measured by its ignition delay)—substitute (X for Y, or a number in an algebraic expression)—(prefix indicating ordinal number, e.g. first, number two etc)—disk drive number (A: or B: in Microsoft DOS and Windows system)—decimal part (of number after the decimal point)—Hua Luogeng (1910-1985), Chinese number theorist—the part of a number which is discarded when rounding down—rational number (i.e. fraction of two integers, math)—mahjong player disqualified by unintentionally taking in the wrong number of dominoes—military achievement (e.g. number of enemy heads cut off)—Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr—number for verification (serial number, seat number etc)—regarding oneself as number one in terms of leadership, seniority or status—twenty (20), in a limited number of set expressions—mixed number (i.e. with an integer part and a fraction part, e.g. four and three quarters)—make up the number (i.e. to fill places up to a given number)—the part of a number the right of the decimal point (or radix point)—the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120—lit. their number cannot be counted (idiom); fig. countless—Reynolds number (ratio of inertial forces viscous forces in fluid mechanics)—colloquial classifier for number of times of movement from one place to another or number of turns, times, occasions.—classifier for the number of repetitions of an action e.g. reading a book twice or three times—mobile phone (with a local, 7-digit phone number)—mostly colloquial classifier for number of times of movement from one place to another; things arranged in a row.— |