In short: if an "observation term" is a term which can, in principle, only be used to refer to observable things, then there are no observation terms.

简而言之：如果一个“观察术语”原则上只用于只可观察对象，那么就没有观察术语。

youdao

These paragraphs reveal that Carnap, at least thinks of observation terms as corresponding to qualities that can be detected without the aid of instruments.

这些文字揭示了卡尔纳普起码认为观察术语是对不同过一起就能发现的特性的错误描述。

youdao

A basic reason some people have given for introducing the dichotomy is false: namely, justification in science does not proceed "down" in the direction of observation terms.

一些人给出的要介绍二分法的基本原因是错误的，即，科学判断没有没落到观察术语的地步。

youdao

This is by no means conclusive testing, but in terms of anecdotal observation, battery life may be a concern.

FORBES: First Impressions: Microsoft Surface Pro

Another observation: U.S. stocks do better than foreign ones (in dollar terms) in the last five months before a presidential election.

FORBES: Don't Fret About the Fed