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It consists of an air-filled protuberance on each side of the pollen grain developed by the separation of the exine layers, giving the pollen a characteristic winged appearance.
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它是花粉粒外壁向外扩展而形成的囊状结构，在花粉粒两侧呈翅状，其内充满空气。 |
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It consists of an ovary, containing one or more ovules, a stalk, or style (absent in some plant groups), and a terminal receptive surface, the sigma.
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它由子房（内含一个或多个胚珠），花柱（部分植物没有花柱）和一个末端的接受表面－柱头构成。 |
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It consists of cramming our lives with compulsive activity,so that there is no time left to confront the real issues.
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总是把自己弄得忙碌不堪，填满各种事务，无闲面对真正重要的事。 |
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It consists of many glucose units, in each of which one of the hydroxyl groups has been replaced by an acetylamine group (CH3CONH).
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包括许多的葡萄糖单元，每个单元的羟基都被乙酰基取代。 |
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It consists of more than 9,000 rooms.
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故宫由9000多间宫殿组成. |
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It consists of round or polygonal tumor cells arranged in sheets or trabeculae punctuated by a network of delicate essels.
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肿瘤中含有圆形或多角形肿瘤细胞，血管网将肿瘤组织分割成形成片状或不规则条索。 |
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It consists of the extruder, the water tank and the granule cutter. The blower can be added according to the customer's request.
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主要由挤出机、水槽、切粒机、积料斗组成，根据需要可添加吹风机。 |
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It consists of the girders ,trolley and electric equipment etc .The bridge is welded structure of box -type girder ,individual drives are adopted for traveling mechanism on each end of the crane .all movements of the crane are controlled from the cabin .
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本起重机由桥架、小车、电气设备等到部分组成，桥架采用箱型双梁焊接结构，大车运行机构采用分别驱动，全部机构均在操场室内操纵。 |
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It consists principally of XYLEM and PHLOEM (water and food-conducting tissues respectively), and also contains strengthening tissue (SCLERENCHYMA) and packing tissue (PARENCHYMA).
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它主要包括木质部和韧皮部(分别运输水分和养料)，还含有机械组织(厚壁组织)和填充组织(薄壁组织)。 |
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It consoles me and makes me more resilient in dealing with life's inevitable ups and downs.
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这在处理生活中不可避免的起起落落方面,安慰了我而且使我变得更愉快。 |
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It constitutes a common problem that urban tunneling exerts negative influences on nearby existing structures.
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摘要地铁施工对邻近既有构筑物的影响是城市轨道交通建设中的常见问题。 |
