The young Mexican mother is buckling sandals on her little daughter's feet, smoothing down her clothes as the loudspeaker comes alive.
那个年轻的墨西哥母亲脱下小女儿的凉鞋,整理了她的衣服,那些大声喧闹的人又恢复了活力。
The buckling spring method, unfortunately, has long been replaced by the 'rubber dome,' where little sticks on the underside of the keys press down on rubber domes laid on a plastic underlay.
不幸的是,这种“座曲式”结构的键盘早就被“橡胶圆点”式键盘所取代了。后者的键帽下附有小按棒,按键被摁下时按棒就会触动分布在一层塑料薄膜上的橡胶圆点。
Deformation of helical buckling appeared on rod during down stroke is also analyzed.
同时分析了下冲程抽油杆所产生的螺旋弯曲变形。
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