小麦的野生近缘种中蕴藏着丰富的优良基因，是小麦遗传改良中宝贵的基因资源。
Wild relatives of wheat in a large collection of excellent genes are valuable genetic resources for the genetic improvement of wheat.
和家猫最近缘的野生种可能是北非的野猫（包括利比亚猫）。
The most closely related wild species are the North African wildcats (including Felix lybica).
中国的主要粮食作物约有20种，它们的多数都有野生近缘植物。
There are 20 primary food crops in China, most of which have wild relatives.
可见，进一步加强近缘野生种资源的研究和利用，对解决甘薯育种中存在的基因源日趋狭窄等问题具有重大意义。
This showed that it was significant to further strengthen the study and utilization of the wild relatives resources to broaden the genetic basis in the sweet potato breeding.
作者用扫描电子显微镜观察了103个桃品种和3个桃近缘野生种的花粉粒。
Pollen grains of 103 peach cultivars were examined using the Scanning Electron Microscopy.
作者用扫描电子显微镜观察了103个桃品种和3个桃近缘野生种的花粉粒。
Pollen grains of 103 peach cultivars were examined using the Scanning Electron Microscopy.
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