为了确保实验结果可靠，科学家们进行了多次重复实验。

Scientists performed several ___replications of the study to verify the reliability of the results.

科学家们进行了多次实验复制以确保结果的可靠性。

Scientists performed multiple ___replications of the experiment to ensure the reliability of the results.

科学家们进行了三次独立的实验复现以验证最初的研究结果。

Scientists conducted three independent ___replications of the experiment to verify the initial findings.