a. 公平的, 平衡的

[计] 平衡的, 对称的, 均衡的

[ adj ]
being in a state of proper equilibrium
<adj.all>
the carefully balanced seesawa properly balanced symphony orchestra
a balanced assessment of intellectual and cultural history
a balanced blend of whiskeys
the educated man shows a balanced development of all his powers

Balance \Bal"ance\ (b[a^]l"ans), v. t. [imp. & p. p. {Balanced}
(b[a^]l"anst); p. pr. & vb. n. {Balancing}
(b[a^]l"an*s[i^]ng).] [From {Balance}, n.: cf. F. balancer.]
1. To bring to an equipoise, as the scales of a balance by
adjusting the weights; to weigh in a balance.

2. To support on a narrow base, so as to keep from falling;
as, to balance a plate on the end of a cane; to balance
one's self on a tight rope.

3. To equal in number, weight, force, or proportion; to
counterpoise, counterbalance, counteract, or neutralize.

One expression . . . must check and balance another.
--Kent.

4. To compare in relative force, importance, value, etc.; to
estimate.

Balance the good and evil of things. --L'Estrange.

5. To settle and adjust, as an account; to make two accounts
equal by paying the difference between them.

I am very well satisfied that it is not in my power
to balance accounts with my Maker. --Addison.

6. To make the sums of the debits and credits of an account
equal; -- said of an item; as, this payment, or credit,
balances the account.

7. To arrange accounts in such a way that the sum total of
the debits is equal to the sum total of the credits; as,
to balance a set of books.

8. (Dancing) To move toward, and then back from,
reciprocally; as, to balance partners.

9. (Naut.) To contract, as a sail, into a narrower compass;
as, to balance the boom mainsail.

{Balanced valve}. See {Balance valve}, under {Balance}, n.

Syn: To poise; weigh; adjust; counteract; neutralize;
equalize.

balanced \bal"anced\ adj.
being in a state of proper balance or equilibrium; --
opposite of {unbalanced}. the carefully balanced seesaw a
properly balanced symphony orchestra a balanced assessment of
intellectual and cultural history a balanced blend of
whiskeys the educated man shows a balanced development of all
his powers [Narrower terms: {counterbalanced,
counter-balanced, counterpoised}; {well-balanced}; {poised}]
[Related terms: stable --- (maintaining equilibrium)]
[WordNet 1.5]