Effects of Exogenous Spd on NO_3~--N,NH_4~+-N Contents and Nitrate Reductase Activity of Salt Stressed Leaves and Roots of Cucumber Seedlings是什麼意思_Effects of Exogenous Spd on NO_3~--N,NH_4~+-N Contents and Nitrate Reductase Activity of Salt Stressed Leaves and Roots of Cucumber Seedlings在線翻譯_英語_讀音_用法_例句