基: base; foundation床: I约束: keep within bounds; restrain ...作用: act on; affect聚束作用: bunching action散束作用: debunching action核量紧束作用: nuclear packing基床: bed bedding; bed;bedding; foundation bed; ground table; subbase起作用的约束: active constraint约束: keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repress; constraint 约束自己 restrain oneself; 约束自己的感情 restrain one's feelings; 自我约束 self-discipline; self-control; 不受传统观念的约束 bound by no traditional idea; 打破[摆脱]一切约束 throw [shake; break] all restraint; 在法律和道德的约束下 be bound by legal and moral ties; 他受到自己诺言的严格约束。 he was bound hand and foot by his promise.; 约束力 force of constraint 对约束起反作用的力: reaction force of constraint波纹基床: ripple bed; rippled bed不透水基床: watertight bed等厚度基床: uniform mat动基床反力: dynamic subgrade reaction护坡基床: bed of the paving; bed of the pitching混凝土基床: concrete bed基床平整的: even-bedded基床系数: bedding value基床中心点: machine center级配基床: graded bedding路基基床: subgrade bed毛方基床: rubble bed毛石基床: rubble base; rubble bed抛石基床: enrockment; riprap; rock mound; rubble-mound foundation