单词	knackier
释义	同knacky
随便看	optical propagation, semiconducting media optical propagation, semiconductor media optical propagation, time-varying media optical properties optical properties of optical properties of metallic thin films optical properties of nonmetallic thin films optical properties of solids optical properties of thin films optical property optical property--optical character optical protection ring optical protection switching optical protective coating optical protractor optical proximity correction optical pulsar optical pulse optical pulse amplification optical pulse amplifiers optical pulse compression optical pulse counter optical pulse-counting optical pulse generation optical pulse generators