Dense sands like olivine are also resistant to weathering, allowing it to endure millennia of constant waves. (Magnification 110x).
像橄榄石这样的密砂能够抵抗风化,所以能够经受常年不断的潮汐拍打。
2
The magnification change has no influence on boundary frequency while the nonlinearity of damping, time constant and pure time delay are its main influencing factors.