“简支承”常见的英文表达是 “simply supported” ,在描述结构力学、建筑或机械工程等领域中简支构件(如简支梁等)的支撑状态时会用到该表述。例如:A simply supported beam is a beam that rests on two supports with no restraint at the ends.(简支梁是指两端搁置在支座上、端部无约束的梁 。 )