1. The selectional process for the team captain was based on leadership skills and performance.
队长的选择过程是基于领导能力和表现的。

2. The company has a strict selectional criteria for hiring new employees.
公司对于新员工的招聘有严格的选择标准。

3. The selectional bias in the study resulted in a skewed sample population.
研究中的选择性偏见导致样本人群的偏斜。