フリー問題

問題文

One corner of a yard sends far less often than the rest of the site, and the team considers adding a relay there. Which pair states what the weak corner needs and what an added repeater costs the site?

選択肢

1. One corner of the yard sends far less often than the rest, so the weak corner needs the higher reader and the added repeater halves the usable airtime in that documentation.
2. One corner of the yard sends far less often than the rest, so the weak corner needs the higher elevation and the added repeater halves the usable airtime in that documentation.
3. One corner of the yard sends far less often than the rest, so the weak corner needs the higher elevation and the added repeater halves the usable overhead in that documentation.
4. One corner of the yard sends far less often than the rest, so the weak corner needs the higher reader and the added repeater halves the usable overhead in that documentation.