| 1 | Is this a pyramid? | |
| 2 | He thought it would go well with the pyramid cake. | |
| 3 | Specializing in tea and coffee packaging, pyramid tea bag. | |
| 4 | A pyramid column chart uses pyramid data markers in a column chart. | |
| 5 | By using the theory of diffracting integral, the optical field distribution of plane waves passing through an axicon is derived. |
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