调节

[ noun ]
the act of controlling or directing according to rule
<noun.act>
fiscal regulations are in the hands of politicians

Regulate \Reg"u*late\ (-l[=a]t), v. t. [imp. & p. p. {Regulated}
(-l[=a]`t[e^]d); p. pr. & vb. n. {Regulating}.] [L.
regulatus, p. p. of regulare, fr. regula. See {Regular}.]
1. To adjust by rule, method, or established mode; to direct
by rule or restriction; to subject to governing principles
or laws.

The laws which regulate the successions of the
seasons. --Macaulay.

The herdsmen near the frontier adjudicated their own
disputes, and regulated their own police.
--Bancroft.

2. To put in good order; as, to regulate the disordered state
of a nation or its finances.

3. To adjust, or maintain, with respect to a desired rate,
degree, or condition; as, to regulate the temperature of a
room, the pressure of steam, the speed of a machine, etc.

{To regulate a watch} or {To regulate a clock}, to adjust its
rate of running so that it will keep approximately
standard time.

Syn: To adjust; dispose; methodize; arrange; direct; order;
rule; govern.