单词	积谷防荒
释义	积谷防荒 jīgǔfánghuāngstore up grain against lean year
随便看	nonlinear normal mode initialization nonlinear normal mode initialization (nnmi) nonlinear observer nonlinear operation nonlinear operational element nonlinear operator nonlinear optical amplifier nonlinear optical crystal nonlinear optical devices non-linear optical effect nonlinear optical effect nonlinear optical fiber nonlinear optical fiber coupler nonlinear optical gain nonlinear optical loop device nonlinear optical loop mirror nonlinear optical material nonlinear optical propagation nonlinear optical signal processing nonlinear optical susceptibility nonlinear optical techniques nonlinear optical waveguide nonlinear optic crystals non-linear optics nonlinear optics