以下为句子列表：
英文: A clearly defined endodermis is seen in all roots and in the stems of the non seed-bearing vascular plants and some dicotyledons.
中文: 所有不产生种子的维管植物和一些双子叶植物的茎中都可以清楚的显示出这一结构。
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英文: A painless pulse of electricity can drive drugs, which tend to be charged, through the impermeable outer layer of the epidermis and into the blood vessels of the dermis.
中文: 无痛的电流脉冲可以趋使药物（通常会带电荷）穿越不通透的表皮外层，进入真皮层的血管。
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英文: Apart from the reason of heredity, the dark and yellow skins are caused by the abnormal metabolism of the cutin on the epidermis and incomplete cleansing of oil and dirt.
中文: 黯淡无光、偏晦黄色肌肤，除了遗传原因外，常常是由于表皮的角质层无法正常代谢、油脂、污垢无法彻底清除而导致的。
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英文: Assist to thoroughly remove oil and acne dirt, penetrate into pores, peel off dead epidermis cells and dredge pipes of sebum gland.
中文: 在帮助彻底清洁面部油垢的同时深入毛孔，去除表皮坏死细胞促使皮脂腺管畅通无阻塞。
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英文: At high magnification, the dermis is expanded by dense collagenous fibrosis in a patient with systemic sclerosis. Immunofluorescence is not helpful with scleroderma.
中文: 高倍镜下，系统性硬化症病人真皮中胶原纤维增加使皮肤增厚。免疫荧光检测对硬皮病是无用的。注意：近年来我们往往用系统性硬化症取代名词硬皮病。
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