scientific and rational

基本解释

The quota for energy consumption per unit product shall be set in a scientific and rational manner.
制定单位产品能耗限额应当科学、合理。
To establish a scientific and rational personnel selection mechanism, an objective evaluation of each employee's ability and level, the staff can arrange to its qualified status.
要建立科学、合理的人员选聘机制，客观评价每一位职工的能力和水平，将职工安排到其可以胜任的岗位。
Contrasting with traditional investment decision method, the real option which considers the value of time and management flexibility in the process of investment is more scientific and rational.
与传统房地产投资决策方法相比，实物期权方法考虑了房地产投资中的时间价值和管理柔性价值，是一种更为科学合理的评价方法。

To remain in the lab and say nothing publicly can mean ceding the debate to those out to undermine it, and the scientific process itself, and the hope for a rational public policy debate and response.
FORBES: Asymmetric Climate Warfare
This contrasts, of course, with the sophisticated, rational, and scientific worldview of their leftist critics.
FORBES: A Scientific Worldview Includes Economics

科学合理
Establishing a scientific and rational system of penalties is of great significance to the prevention and control of the acceptance of bribes.
建立科学合理的刑罚体系对于受贿罪的防控有着十分重要的意义。