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- basaltic layer of the earth's crust 地壳玄武岩层
- For the determination of the thickness of basaltic layers the survey area has to be extended into sedimentary area. 为了测定玄武岩岩层的厚度,测区必须扩大到沉积岩区。
- Thyon volcanic rocks are classified as alkali basalts, with pyroxene megacrysts, and deep-seated mantle xenoliths such as augite and peridotite have been observed in some basaltic layers. 火山岩主要为碱性玄武岩,部分玄武岩中可见橄榄岩类等深源岩石包体和普通辉石等矿物巨晶。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- Basalt is the commonest volcanic rock. 玄武岩是最普通的火山岩。
- A layer, as of doubled-over cloth or of paperboard. 一层一层,如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Made them, in the evening, like basaltic grottos. 使得夜晚的柱廊宛如玄武岩的洞穴。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物,如鱼鳞
- basaltic layer 玄武岩层,硅镁层
- A lot of copper deposits lie in the basalt. 期间分布铜矿床(点)多处。
- For the determination of the thickness of basaltic layers the survey area has to be extended into sedimentary area 为了测定玄武岩岩层的厚度,测区必须扩大到沉积岩区。
- Having a cortex or a similar specialized outer layer. 有皮的有皮的或具有相似的专门发育的外部覆盖的
- Basalt is needed to surface a road or to build a break water. 需要用玄武岩来铺设路面或修防洪堤。