stiffened

n.

加强的；

v.

（使）变硬，（使）强硬( stiffen的过去式和过去分词 )；

1. This lignification serves to stiffen and strengthen the cells.
   木质化足以使细胞变硬和增强。
2. This sort of grease could not stiffen when the temprature drops.
   温度下降时，这种润滑脂不会变稠。
3. The promise of a reward might stiffen their resolve.
   答应给他们奖励可以坚定他们的决心。
4. He stiffened at the insult.
   他听到这些侮辱的话，态度强硬起来。

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