弹簧静变形和重力加速度从固有频率表达式中消失的条件
陈奎孚,蔡 春
The sufficient conditions for the spring’s static deformation and gravity acceleration vanishing from the intrinsic frequency expression of a vibrator
CHEN Kuifu,CAI Chun
大学物理 . 2016, (10): 23 -27 .  DOI: 10.16854/j.cnki.1000-0712.2016.0143