复方短效避孕药
Short-acting contraceptive
复方短效口服避孕药
Compound short-acting oral contraceptives
复合短路阻抗
composite short circuit impedance
刚性长短桩体复合地基
long-short-rigid pile composite foundation
钢轨短波波磨
short-pitch rail corrugation
高短路阻抗
high short circuit impedance
高功率超短脉冲
High power ultra-short pulse