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315 Activities V
exact: like: độ đo hiệu năng
VNEN 
độ đo hiệu năng * ☊ 
performance * ☊
[ độ ] : (1) about, approximately, around (a time); (2) degree, measure
[ đo ] : to measure, survey, gauge
[ hiệu ] : store, shop; sign, signal, mark, brand, trademark
[ năng ] : ability; often, frequently, many a time