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average acceleration
 average acceleration
manag. 平均加速度
| response spectrum
 response spectra
bridg.constr. 反应谱
 response spectrum
expl. 响应谱
hydroel.st. 反应谱
oil 输出谱
tech. 反响谱

to phrases
average acceleration
manag. 平均加速度
average acceleration: 5 phrases in 2 subjects
Bridge construction1
Technology4