| ประโยคภาษาจีน : 中文句子 | 
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|  bù不  tóng líng同龄  jí级  de的  yóu sōng油松  sōng zhī松脂  zhōng cháng中长  yè xī叶烯  hán liàng含量  chā yì差异  bù不  xiǎn zhù显著  cháng长  yè xī叶烯  zài在  xiāng tóng相同  de的  pō坡  wèi位  bù tóng不同  de的  pō坡  xiàng向  xiāng tóng相同  de的  pō坡  xiàng向  bù tóng不同  de的  pō坡  wèi位  hán liàng含量  bù tóng不同 | 
| There were no significant differences of the longifolene contents among pine age grades but varied among pines at different slope directions and positions. |