您要查找的是不是：
- relict permafrost 残遗永久冻土
- This is a post-glacial relict species. 这是一后冰期的孑遗种。
- Methane Bubbling Up From Undersea Permafrost? 甲烷从海底永冻层带冒出？
- But it's also melting permafrost around the world. 但它也使世界各地的冻土融化。
- The last dicynodont: An Australian Cretaceous relict. 白垩纪的最后的二齿兽[论文摘要]！！
- This is the vegetational climate of arctic permafrost regions. 这是北极永冻地区的植物气候。
- Melting permafrost will hit existing and planned infrastructure. 冻土融化将冲击我们现有的和计划中的基础设施建设。
- An example of a tipping point is the thawing of the permafrost. “气候引爆点”的一个例子就是永久冻土层的融化。
- But a layer outside the permafrost is suffering the human threat. 可是地球的外圈层正受到人类的威胁。
- Perhaps this is caused by the sudden melting of subsurface permafrost. 可能是地下永久冻土突然融化所造成。
- About half of the Golmud-Lhasa 19) section was built over permafrost. 格尔木到拉萨段铁道大约有一半是建在冻土上。
- Thawing and refreezing each year, an active layer of soil lies over permafrost. 覆盖在永冻层上方的一层活冻层土壤，每年都会融化和重新冻结。
- Mrs Florence MacCabe, relict of the late Patk MacCabe, deeply lamented, of Bride Street. 布赖德街那位受到深切哀悼的已故帕特里克·麦凯布的遗孀，弗萝伦丝·麦凯布太太。
- A relict fauna and anomalously coarse grains are common in the upper few feet of some shelf sands. 残余化石和异常粗的颗粒，通常出现于某些陆棚砂上部的几英尺内。
- In East China Sea shelf basin, the Mesozoic relict sediments are distributed in some central-south areas, such as Fuzhou sag, Minjiang sag and Yushan lower uplift. 摘要东海陆架盆地中生界主要分布于盆地中南部的福州凹陷、闽江凹陷和渔山低隆起地区。
- Torreya grandis Merrillii is tertiary relict plant, and is a precious economic species peculiar in China. 摘要香榧系第三纪孑遗植物，为我国特有的珍贵经济树种。
- Simple zircon and the smaller relict core in complex zircon are both of metamorphic origin. 简单锆石和复杂锆石核部残留锆石均为变质成因；
- The ores have massive, stockwork or veinlet_ disseminated structure with relict perthitic structure. 矿石具有块状、网脉状、细脉浸染状构造；
- Complex zircon consists of three parts： a smaller relict core， a light-colored part and a brown part. 复杂锆石由3部分组成：细小的残留核、浅色部分和褐色部分。
