借款期限3年，本金依12期逐季攤還，餘額屆期乙次清償。

借款期限3年，本金依12期逐季攤還，餘額屆期乙次清償。

結果 (英文) 1:

The loan period is 3 years, the principal is amortized quarterly in 12 installments, and the balance is paid off at the expiration date.

結果 (英文) 2:

The term of the loan is 3 years, the capital is amortized on a quarterly basis according to the 12 periods, and the balance period is paid off b times.

結果 (英文) 3:

The loan term is 3 years, the principal is amortized quarterly according to the 12 periods, and the balance shall be paid off by Party B by the end of the period.