A laboratory study was made on the effects of transgenic corn expressing cry1Ab toxin from the bacterium Bacillus thuringiensis(Bt) on the life table of an experimental population of corn leaf aphid Rhopalosiphum maidis Fitch.是什么意思_A laboratory study was made on the effects of transgenic corn expressing cry1Ab toxin from the bacterium Bacillus thuringiensis(Bt) on the life table of an experimental population of corn leaf aphid Rhopalosiphum maidis Fitch.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句