“trench engineering technology”的概念、定义、翻译、参考文献-科学参考

单词	trench engineering technology
释义	trench engineering technology Encyclopedia 理学沟洫工程技术释 trench engineering technology沟洫工程技术关于中国夏商周时期灌溉、排水渠系的记录与总结研究。沟洫系统肇始于夏，发展于商，至周代趋于规范化，在实施井田制的地区逐渐形成纵横交错的农田沟洫体系。
随便看	signal parameter measurement signal peptidase signal peptide signal peptide; leader peptide signal peptide prediction signal phase spectrum signal power spectrum estimation signal process signal processing signal-processing antenna signal recognition particle signal reconstruction signal resolution signal scaffold protein signal screen signal sequence signal's gaussian characteristics signals of agrometeorological disaster prewarning signal source signal space signal statistics analysis signal strength signal swing signal system of hydropower station signal system theory

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