weight of observation

例句：

1. 1. Theweight of observation is a crucial factor inthe design of experiments.
   观察的重量是实验设计中一个至关重要的因素。
2. 2. The weightof observation has a significantimpact on the accuracy of theresults.
   观察的重量对结果的准确性有显著影响。
3. 3. The weight of observation is often overlookedwhen discussing the effectiveness of a study.
   在讨论研究的有效性时，往往忽视了观察的重量。