| 1. | Only a fraction of the a ions are in tetrahedral sites .
只有一部分A离子处在四面体的位置上。
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| 2. | The two banana bonds start out from each carbon at roughly the tetrahedral angle .
这两个香蕉键是从每个碳原子以接近四面体角发出的。
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| 3. | It will be noted that between the two layers there exist interstices of two types: tetrahedral and octahedral .
要注意两层之间有两种类型的空隙：四面体型和八面体型。
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| 4. | A satisfactory theory must be able to explain why in methane the hch angles all have the characteristic tetrahedral value .
一个完满的理论必须能够解释甲烷中为什么所有HCH角都具有四面体的特性值。
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| 5. | Only a fraction of the a ions are in tetrahedral sites
只有一部分a离子处在四面体的位置上。
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| 6. | Tetrahedral and square - planar complexes
四面体和平面四边形配合物
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| 7. | If the exam is this problem , tetrahedral should be inscribing on four sides . otherwise imponderable
假如考试是这道题的话，四面体应该是正四面题。否则无法计算。
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| 8. | X - ray diffiaction confirms that the resulting ersi , film possesses the tetrahedral thsi , crystalline structure
同步辐射x射线衍射以）研究结果证实了所形成的饵硅化物具有thsi 。
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| 9. | A satisfactory theory must be able to explain why in methane the hch angles all have the characteristic tetrahedral value
一个完满的理论必须能够解释甲烷中为什么所有hch角都具有四面体的特性值。
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| 10. | In this article , we introduce the oriented volume concept of simple tetrahedral , and get the computation formula for polyhedron at last
引入了简单四面体的有向体积概念，最后得多面体体积计算公式。
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