n.the act of sustaining life by food or providing a means of subsistence

"fishing was their main sustainment"

同義詞：sustenancesustentationmaintenanceupkeep

Nonlinear self‐sustainment of magnetic islands
Long sustainment of JT-60U plasmas with high integrated performance
The mechanism of self‐sustainment in collisional drift wave turbulence
Slow formation and sustainment of spheromaks by a coaxial magnetized plasma source
Toroidal Plasma Current Startup and Sustainment by rf in the WT-2 Tokamak
English Learning Motivation and Its Initiation and Sustainment
Potential Combat Risks from Outsourcing of Selected Sustainment Functions
Obsolescence Driven Design Refresh Planning for Sustainment-Dominated Systems
The dynamic sustainability framework: addressing the paradox of sustainment amid ongoing change
High‐resolution numerical simulations of resuspending gravity currents: Conditions for self‐sustainment