The phenomena of ice-induced steady state vibration and frequencylock-in between ice force and response were observed on offshore platform.
在海洋平台上观测到了冰致结构的稳态振动，以及冰力和平台响应问的频率锁定现象。
2
FLOCK button. Pressing the frequencyLock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency.
频率锁定，按下这个按钮前面板所有频率控制按钮将被禁用，防止意外改变频率。
3
FLOCK button. Pressing the frequencyLock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency.