“Pinophyta”的概念、定义、翻译、参考文献-科学参考

单词	Pinophyta
释义	Pinophyta [pǝ`näf·ǝd·ǝ] ^BOTANY The gymnosperms, a division of seed plants characterized as vascular plants with roots, stems, and leaves, and with seeds that are not enclosed in an ovary but are borne on cone scales or exposed at the end of a stalk.
随便看	ionization front ionization front accelerator ionization gage ionization isomer ionization potential ionization radiation ionization source ionization spectrometer ionization temperature ionization time ionization vacuum gage ionized atom ionized gas ionized layers ionizing event ionizing radiation ion kinetic energy spectrometry ion laser ion machining ion mean life ion microprobe ion microprobe mass spectrometer ion microscope ion migration ionogenic group

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