zài / wù / lǐ / xué / zhōng / zhāng / liàng / cháng / yòng / lái / miáo / shù / bù / tóng / fāng / xiàng / shàng / de / biàn / huà在物理学中,张量常用来描述不同方向上的变化。In physics, tensors are often used to describe changes in different directions.