objective

noun

1. the lens or system of lenses in a telescope or microscope that is nearest the object being viewed

Synonym: objective lensobject lensobject glass

2. the goal intended to be attained (and which is believed to be attainable)

e.g. the sole object of her trip was to see her children

Synonym: aimobjecttarget

adj

1. belonging to immediate experience of actual things or events

e.g. objective benefits
an objective example
there is no objective evidence of anything of the kind

2. undistorted by emotion or personal bias
based on observable phenomena

e.g. an objective appraisal
objective evidence

Synonym: nonsubjective

3. emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation

e.g. objective art

Synonym: documentary

4. serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes

e.g. objective case
accusative endings

Synonym: accusative

1. 目的；目标；宗旨
Your objective is what you are trying to achieve.

e.g. Our main objective was the recovery of the child safe and well...
我们的主要目标是将孩子安然无恙地找回来。
e.g. His objective was to play golf and win.
他的目标是参加高尔夫球比赛并赢得胜利。

2. （信息）客观的，基于事实的
Objective information is based on facts.

e.g. He had no objective evidence that anything extraordinary was happening.
他没有客观证据表明正在发生什么不同寻常之事。

3. （观点）客观的，不带个人感情的，没有个人偏见的
If someone is objective, they base their opinions on facts rather than on their personal feelings.

e.g. I believe that a journalist should be completely objective...
我认为新闻记者不应当有丝毫偏见。
e.g. I would really like to have your objective opinion on this.
我很想听听你对此事的客观见解。

1. 物镜：3.4.1 物镜(Objective) 物镜是成像质量关键要素之一. 荧光进入物镜的通透量的多少与物镜的光透射率有关,而物镜的光透射率与数值孔径(NA)的4次方成正比,与物镜的放大倍数的平方成反比,因此应尽量选择高数值孔径的物镜,