"He stiffened when he saw his boss enter the room"
make stiff or stiffer
restrict
"stiffen the regulations"
同义词：tightentighten upconstrain
stiffened例句
Axial Load Behavior of Stiffened Concrete-Filled Steel Columns Impact Identification of Stiffened Composite Panels : I. Systems Development Improved genetic algorithm for the design of stiffened composite panels Equivalent thickness bending analogy for integrally stiffened structures Experimental behaviour of stiffened concrete-filled thin-walled hollow steel structural (HSS) stub columns Analysis and design of the general and outmost-ring stiffened suspen-dome structures Constitutive Laws of Concrete in Tension and Reinforcing Bars Stiffened by Concrete Computer-aided generation of nonlinear reduced-order dynamic macromodels. II. Stress-stiffened case Vibrational power flow from machines into built-up structures, part II: Wave propagation and power flow in beam-stiffened plates A new method of analyzing wave propagation in periodic structures; Applications to periodic timoshenko beams and stiffened plates
