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微扰展开
微擾展開
wēirǎozhǎnkāi
1. perturbative expansion (physics)

Character Breakdown

微
wēi
small, tiny, trifling; micro-
HSK 4 13 丶
扰
rǎo
to poke, to disturb, to annoy, to agitate
HSK 4 7 丶
展
zhǎn
to open, to unfold; to extend, to stretch
HSK 4 10 丶
开
kāi
to open; to start, to initiate, to begin
HSK 1 4 丶

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