合同条款的确定性避免了未来的争议。

The ___determination of the contract terms prevents future disputes.

由于双方签署了明确的合同条款，这次合作的结果已经有了确定性。

The ___determination of the collaboration outcome was ensured by the clear contract terms signed by both parties.

这个数学系统的确定性确保了每个方程都有唯一解。

The ___determinacy of this mathematical system ensures that every equation has a unique solution.