Meaning of 一定期間 in Japanese

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Definition of 一定期間

いっていきかん(itteikikan) 【一定期間】

(n-t) fixed interval; fixed period
しかし一定期間がたてば、全額お支払いできるようになると考えております。
We believe, however, that over a period of time, we will be able to make remittance in full settlement.

予算よさんとは一定期間いっていきかん中ちゅうの支出ししゅつを見込まれる収入しゅうにゅうにあわせた計画けいかくです。

A budget is a plan or schedule adjusting expenses during a certain period to the estimated or fixed income for that period.

We believe, however, that over a period of time, we will be able to make remittance in full settlement.