disaster-prevention function
power-stealing prevention function
’five-prevent’ function
Catastrophe preventing function
Disaster-prevention functions
disease preventive function
fouling-preventing function
delta function (=δ-function)
policy of prevention in the first place and integrating prevention with control
Analgesia function and anti-inflammation function
calibration function or curve [function]
characteristic function (= eigen-function)
characteristic function [of meromorphic function]
characteristic function and type-function
dual function of smarandache LCM function
exceptional function and shared function
function group, function grouping