例句與造句

1. These point groups are assigned to the trigonal crystal system.
2. It forms green to deep blue-green trigonal crystals.
3. It forms a colorless to yellow trigonal crystal with a vitreous luster.
4. Quartz belongs to the trigonal crystal system.
5. It crystallizes in the trigonal crystal system.
6. It's difficult to find trigonal crystal in a sentence. 用trigonal crystal造句挺難的
7. Magnesite consists of white trigonal crystals.
8. It crystallizes in the trigonal crystal system, and are rhombohedral in shape, typically with curved and striated faces.
9. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic.
10. It occurs as disseminations and masses of opaque, metallic light bronze to brassy yellow grains which crystallize in the trigonal crystal system.
11. The cancrinite group are minerals with hexagonal and trigonal crystal systems with various anions and cations located in cages within the main frame.
12. The six crystal families are formed by combining the hexagonal and trigonal crystal systems into one hexagonal family, in order to eliminate this confusion.
13. Hidalgoite is categorized under the trigonal crystal system and Rm space group and can be denoted by the H-M symbol ( 2 / m ).
14. In three dimensions, the crystal families and systems are identical, except the hexagonal and trigonal crystal systems, which are combined into one hexagonal crystal family.
15. The trigonal crystal system consists of the 5 point groups that have a single three-fold rotation axis ( see table in Crystal system # Crystal classes ).
16. Five of the crystal systems are essentially the same as five of the lattice systems, but the hexagonal and trigonal crystal systems differ from the hexagonal and rhombohedral lattice systems.
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