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单词
secondary focal length
释义
secondary focal length
网络
第二焦距;皹距为第二焦距;后主焦距
网络释义
1.
第二焦距
CHINESE-ENGLISH... ... 第二焦点 secondary focal point
第二焦距
secondary focal length
第二节点 secondary nodal point ...
mededucation.bjmu.edu.cn
2.
皹距为第二焦距
反之,当物距为无穷远时,我们定义得到的
皹距为第二焦距
(
secondary focal length
),即 (3) 由(2)和(3)式可知,若物、像平面均 …
spy.pccu.edu.tw
3.
后主焦距
secondary-英汉词典-英中字典-速译通... ...
secondary focal length
[医]
后主焦距
,后焦距 secondary focal plane [医]后焦平面 ...
www.fastdict.net
例句
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air casting
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air cavalry
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air cavity
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更新时间:2026/11/3 10:36:17