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孑遗
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孑遗
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理学
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孑遗
曾经分布广泛或比较广泛,且数量和种类均很多,但随着时间推移逐渐衰退,或在重大事件特别是灭绝事件打击之后遭受重创,只有少数个体和种类孤独地生存于个别地区,并有日趋灭绝之势的生物。生物宏演化进程中的分类单元型式。
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medical therapy of tumors
medical train
medical training for astronaut
medical treatment
medical treatment and evacuation of the sick and wounded
Medical treatment and medication management of medical insurance
medical treatment devices under low temperature
medical treatment equipment for contamination ofuclear,chemical and biological agents
medical treatment in echelons
medical treatment institution of chemical poisoning
medical treatment institution of infectious diseases
medical treatment institution of nuclear radiation
medical treatment of radionuclide internal contamination
medical ultrasound
medical ultrasound devices ang attached devices
Medical union management
medical virology
medical walking
medical waste
Medical waste management
medical waste transport vehicle
Medical World
medical X-ray ancillary devices and accessory
medical X-ray devices
medical X-ray film processing device
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