随时: at any time; at all times变动: change; alteration; oscillat ...的: 4次方是 The fourth power of 2 i ...振幅: amplitude随时间变动的振幅: time-varying amplitude地震扰动的振幅范围: seismic disturbance range of amplitudes函数的振幅: oscillation of a function偏移的振幅: amplitude of excursion小时变动: hourly variation变动的: floating; fluctuantoscillatory; oscillatory流动的, 变动的: fluxionary随时变化的电容: time-varying capacitance大振幅的振动运动: violent oscillatory motion在一点上的振幅: oscillation at a point半变动的: semivariable变动的均衡: moving equilibrium变动的下限: lower limit of variation变动的征税: variable levies不能变动的: im5plakebl implakebl不许变动的: hard and fast大变动的: cataclysmal; cataclysmic起自变动的: variational未经变动的: virgin易变动的: jumpy时变场,随时间变化的磁场: time-varying field