“water conservancy in ancient Chang’an city”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy in ancient Chang’an city
释义	water conservancy in ancient Chang’an city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy in ancient Chang’an city古都长安水利中国古代长安城的航运、防洪、供水、灌溉等水利事业。
随便看	right to use resources and environment right to use the marine area right to work right translation right translation of a function right translation of functions right transversal right triangle right triple of vectors right truncated data right-truncated data right truncated distribution right twisted helix right-twisted helix right uniformity right unique relation right unit right-unitary kernel right unit element right unit subsemigroup right universal solution right usufruct of water resources right vector space right ventricle right v-ring

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