双语例句原声例句
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There are 2-3 layers of long-column-shaped palisade tissue under the upper epidermis, and there are a great number of mechanical tissues which made up of vascular bundle sheath .
上表皮下方有2-3层长柱形的栅栏组织，在主脉大侧脉外方具有由大量机械组织组成的束帽或束鞘。
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One is that cells form tissues that are mechanically intact, they have mechanical integrity because they can adhere to one another.
一是具有机械完整性的组织是由细胞构成，组织之所以具有机械完整性，是因为细胞能够互相黏附在一起。
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One is that cells form tissues that are mechanically intact, they have mechanical integrity because they can adhere to one another.
一是具有机械完整性的组织是由细胞构成,组织之所以具有机械完整性,是因为细胞能够互相黏附在一起
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