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| Subject | English | Japanese |
| tech. | fiber stress intensity | 繊維応力度 (せんいおうりよくど) |
| gen. | n fiber to the home | ＦＴＴＨ (fibre) |
| gen. | n fiber to the x | ＦＴＴｘ (fibre generic term for any network architecture that uses optical fiber) |
| gen. | n home fiber optic cable installation | ＦＴＴＨ |
| gen. | hybrid fiber coax | ＨＦＣ |