1. a plant hormone promoting elongation of stems and roots. 
   一种促使茎和根伸长的植物激素。
2. a synthetic plant hormone promoting elongation of stems and roots. 
   一种促使茎和根伸长的合成植物激素。
3. Any of several plant hormones that regulate various functions, including cell elongation. 
   植物生长素一种调节多种功能，包括细胞伸长的植物激素
4. (physics) a stress that produces an elongation of an elastic physical body. 
   （物理学）一种将有弹性的物理物体拉长的压力。
5. a plane figure that deviates from a square or circle due to elongation. 
   由于延长而偏离正方形或圆圈的平面形状。

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• 1. 总延伸量
  total coefficient of elongation 总延伸系数...total elongation 总延伸量...ultimate elongation 极限伸长; 极限伸长率
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• 2. 全伸
  zenninshazenninsha...全伸びぜんのびtotal elongation (7)...zen nobizennobi
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