大约为

1.
rpm
JIS D 0205 碳弧光照标准.pdf - 豆丁网 ... (KJ/m 2 ) 经有关双方认可 [波长范围300~700 (rpm) 大约为1 317 - (a) 从表3 ...
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Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard