“desertification control project in China”的概念、定义、翻译、参考文献-科学参考

单词	desertification control project in China
释义	desertification control project in China Encyclopedia 理学荒漠化防治工程释 desertification control project in China荒漠化防治工程中国对土地荒漠化进行防治的系统工程项目。包括正在实施的“三北”防护林建设工程、退耕还林还草工程、退牧还草工程、草原沙化防治工程、天然林保护工程以及京津风沙源防治工程等。
随便看	waveguide waveguide acoustooptic tunable filter waveguide all optical waveguide device waveguide all-optical waveguide device waveguide antennas waveguide arc detector waveguide attenuator waveguide below-cutoff attenuator waveguide cavity waveguide component waveguide dispersion waveguide geometric optical device waveguide grating waveguide grating router waveguide invariant waveguide low-pass waveguide low-pass filter waveguide modes waveguide phase modulator waveguide radio wave propagation of earth-ionosphere waveguide tube wave impedance wave in home wave in tropical stratosphere wave length

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