替代种又称等值种（equivalent species）。由于气候变化、海陆变迁等历史原因，或由于某种生物自原生境向外扩散过程中，遇到不同生境而形成新种的结果，形成了分布很不相同，但彼此亲缘关系密切、有共同起源的种。如我国东北分布的西伯利亚刺与青海、宁夏、内蒙古分布的白刺，以及新疆东部、河西走廊的泡泡刺，它们起源于白刺，出现了在分布上彼此相互替代。
网络释义专业释义
... 替代仲裁员 substitute arbitrator; 替代种 substitute species; 替代作用 substitution effect ...
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双语例句原声例句
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反映出its序列在替代种间高度保守。
It indicated that ITS sequences of substitute species were relatively conservative.
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东亚-北美鹅膏菌的生物地理联系通过地理替代种比通过相同分类群更能明确反映出来。
The biogeographic relationships between Amanita of East Asia and North America are much more clearly reflected by vicarious species than by conspecific taxa.
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治疗关节炎的新方法可能会提供一种止痛药的替代品。
New ways to treat arthritis may provide an alternative to painkillers.
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So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.
因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。
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This is very different from Nabokov's idea of embodiment as a kind of alternate or rival creativity.
这和Nabokov的想法迥然不同,他讲具体化视为一种替代物或者是竞争的创造性。
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Not just an amplification system that you put in your ear, but actually an implant that replaces the function of an organ inside your ear.
人工耳蜗不是一个简单的,植入耳朵的扩音系统,而是一种,能替代听力器官功能的移植物
应用推荐
$firstVoiceSent
- 来自原声例句