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safe yield造句

"safe yield"是什么意思  
造句與例句手機版
  • The safe yield of a ground water reservoir was defined by meinzer(1920)as "the practicable rate of withdrawing water from it perennially for human use. "
    地下水庫的安全開采量,據(jù)邁因策(1920)所下的定義為:“供人們長期使用的實際可能的開采水量?!?/li>
  • Wheat stripe rust became the most important disease to threaten wheat ' s safe yield in sichuan province
    摘要小麥條銹病已成為威脅四川省小麥安全生產(chǎn)最重要的病害。
  • The safe yield of a ground water reservoir was defined by meinzer ( 1920 ) as " the practicable rate of withdrawing water from it perennially for human use .
    地下水庫的安全開采量,據(jù)邁因策( 1920 )所下的定義為: “供人們長期使用的實際可能的開采水量。 ”
  • It's difficult to see safe yield in a sentence. 用safe yield造句挺難的
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