“protophloem”的概念、定义、翻译、参考文献-科学参考

单词	protophloem
释义	protophloem [¦prōd·ǝ`flō·ǝm] ^BOTANY The initial primary phloem developed from the procambium.
随便看	delay element delay equalizer delayer delay flip-flop delay/frequency distortion delay line delay-line memory delay-line storage delay multivibrator delay relay delay time delay unit Delbrück scattering d electron Delepine reaction backing strip backing up back jamb backjoint backlands backlash backlight backlimb backlining back lintel

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