It's the most dense of the outer planets and the only planet found by mathematical prediction rather than by empirical observation.

它是密度最大的外行星，也是唯一一颗通过数学预测而非经验观察发现的行星。

Psychology shifted away from pure theory and towards more careful and systematic empirical observation.

心理学从纯理论转向更仔细和系统的经验观察。

Since science is heavily dependent on empirical  observation for data, the Cartesian sensitivity to epistemological questions has dramatically  enhanced the sophistication of human perception.

由于科学在很大程度上依赖于对数据的经验观察，笛卡尔对认识论问题的敏感性极大地提高了人类感知的复杂性。

On their own, as floating abstractions are detached from the empirical observation and the detailed logical reasoning, the author's premises cannot be readily communicated to a reader who does not grasp them yet.

就其本身而言，由于浮动抽象脱离了经验观察和详细的逻辑推理，作者的前提不能很容易地传达给读者谁还没有掌握他们。