diàn / cí / xué / zhōng / cí / liàn / shì / miáo / shù / cí / chǎng / de / zhòng / yào / wù / lǐ / liàng电磁学中,磁链是描述磁场的重要物理量。In electromagnetism, magnetic flux linkage is an important physical quantity describing the magnetic field.