振作起
call forth
振作
exert oneself; display vigour; lift up one's head; shake oneself together; stir oneself; summon up; take heart
振作精神
get up steam; keep up one's spirits
乍看起来
on the face of it
站起来
rise to one's feet; stand up
折叠起来
fold
欲振乏力
weakness
原子动振
atomic oscillation
原子振动
atomic vibration
圆偏振
circular polarization
circular polarization; circumpolarization
圆偏振差散射
circular intensity differential scattering
圆偏振的
circularly polarized
圆偏振光
circularly polarized light
约数谐振
submultiple resonance
载波振荡器
carrier oscillator
载波振幅
carrier amplitude
在振荡电路中的自阻塞条件
squegging
暂态振荡
transient oscillation
闸波产生多谐振荡器
gate-producing multivibrator
闸脉冲多谐振荡器
gate multivibrator