Spring-activated pendular instrument whose beats can be synchronized with the tempo of a piece of music while practicing. 弹簧式摆动乐器，其拍子可在练习时与乐曲的节奏同步。
2
sliding weight
圆滑重(磁罗经倾差仪的)
Adjustable weight that is moved along the pendulum bar to regulate the frequency of the beats. 沿摆杆移动以调节拍子频率的可调重量。
3
tempo scale
节奏音阶
Scale calibrated to a number of beats per minute (40 to 208) and used to match the tempo of a given piece of music (adagio, allegro, vivace and so forth). 刻度校准到每分钟的拍子数（40到208），用于匹配给定乐曲的节奏（慢板、快板、活体等）。
4
pendulum bar
摆杆
Metal rod that oscillates from one side of an axis to the other to produce a sound signal. 从轴的一边到另一边振荡以产生声音信号的金属棒。
1
metronome
节拍器 〔1〕
Spring-activated pendular instrument whose beats can be synchronized with the tempo of a piece of music while practicing. 弹簧式摆动乐器，其拍子可在练习时与乐曲的节奏同步。
2
pendulum bar
摆杆
Metal rod that oscillates from one side of an axis to the other to produce a sound signal. 从轴的一边到另一边振荡以产生声音信号的金属棒。
3
sliding weight
圆滑重(磁罗经倾差仪的)
Adjustable weight that is moved along the pendulum bar to regulate the frequency of the beats. 沿摆杆移动以调节拍子频率的可调重量。
4
tempo scale
节奏音阶
Scale calibrated to a number of beats per minute (40 to 208) and used to match the tempo of a given piece of music (adagio, allegro, vivace and so forth). 刻度校准到每分钟的拍子数（40到208），用于匹配给定乐曲的节奏（慢板、快板、活体等）。
