Scientists believe overexposure to antibiotics helps resistant bacteria become more widespread.科学家认为,过度接触抗菌素使有抗药性的细菌的传播更广泛.The relationship between stabilizing linewidth and overexposure theory is also discussed.此外,还探讨了过...
地衣是一种绿藻或蓝藻与一种真菌共生的形式.Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.但金与其通常的共生元素在树叶中并不是组合共生的.However, no intergrowth of the paragenetic elements was observed in plants.委内瑞拉和古巴仍...