instantaneous power spectral density
instantaneous power spectrum density
instantaneous reactive power theory
瞬时无功功率理论
瞬时无功理论
瞬时无功率理论
瞬时无功功率
单相瞬时无功理论
开关函数
网侧功率平衡
Single-phase reactive power theory
theory of power restricting power
collision theory hard sphere theory
hard sphere theory collision theory
lipoid-sieve theory lipoid-filter theory
TRIZ theory of inventive problem solving theory
TRIZ发明问题解决理论理论
TRIZ理论发明问题解决理论
1-Level Universal Implication
a road map towards universal suffrage
a universal social structure
balance unit of the universal joint spindle
Ball Universal Coupling
Boltzmann’s universal conversion factor