n. 系数

[计] 系数

[化] 系数

[医] 系数

[经] 系数, 折算率

[ noun ]
a constant number that serves as a measure of some property or characteristic
<noun.quantity>

Coefficient \Co`ef*fi"cient\, a.
Co["o]perating; acting together to produce an effect.
{Co`ef*fi"cient*ly}, adv.


Coefficient \Co`ef*fi"cient\, n.
1. That which unites in action with something else to produce
the same effect.

2. [Cf. F. coefficient.] (Math.) A number or letter put
before a letter or quantity, known or unknown, to show how
many times the latter is to be taken; as, 6x; bx; here 6
and b are coefficients of x.

3. (Physics) A number, commonly used in computation as a
factor, expressing the amount of some change or effect
under certain fixed conditions as to temperature, length,
volume, etc.; as, the coefficient of expansion; the
coefficient of friction.

{Arbitrary coefficient} (Math.), a literal coefficient placed
arbitrarily in an algebraic expression, the value of the
coefficient being afterwards determined by the conditions
of the problem.