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正，负

English translation: plus lens, minus lens

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Chinese term or phrase:正，负
English translation:plus lens, minus lens
Entered by: Joyce Curran

16:27 Jan 29, 2009
Chinese to English translations [PRO]
Science - Science (general)
Chinese term or phrase: 正，负
验光镜片主要由正，负验光镜片组成。
(问题是：“正，负验光镜片”应该为“positive, negative"还是"plus, minus"? 谢谢！)
Joyce Curran
Local time: 20:37
plus lens, minus lens
Explanation:
Just for your reference.
Selected response from:

Shirley Chen
United States
Local time: 14:37
Grading comment
Thank you, Shirley! Thanks for the link, Yueyin!
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +3plus lens, minus lens
Shirley Chen
4concave / convex
Lucidity


  

Answers


14 mins   confidence: Answerer confidence 5/5 peer agreement (net): +3
plus lens, minus lens


Explanation:
Just for your reference.


    Reference: http://detail.china.alibaba.com/buyer/offerdetail/238851229....
Shirley Chen
United States
Local time: 14:37
Native speaker of: Native in ChineseChinese
PRO pts in category: 4
Grading comment
Thank you, Shirley! Thanks for the link, Yueyin!

Peer comments on this answer (and responses from the answerer)
agree  ysun: Both “plus/minus” and “positive/negative” are correct. http://www.mtholyoke.edu/~mpeterso/classes/phys301/geomopti/...
31 mins
  -> Thank you for the information.
agree  Adsion Liu
34 mins
  -> Thank you, Adsion.
agree  Yurek
9 hrs
  -> Thank you, Yurek.
Login to enter a peer comment (or grade)

2 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
concave / convex


Explanation:
According to this page: http://www.msdchina.com.cn/manual/section_8/8-90/a2.html
负镜片 is 凹球镜片 and 正镜片 is 凸球镜片 -- in English we call 凸 'convex' and 凹 is 'concave'. You can search Google for 'convex lens / concave lens' and you will see these are common terms.

Lucidity
Local time: 03:37
Native speaker of: Native in EnglishEnglish
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