quadra 中文意思是什麼
quadra
解釋
方形框架-
Hardly anyone remembers it these days, but there was a time when a version of at t unix ran on apple s quadra machines
現在幾乎沒人記得這些了,但曾經有一段時間,有一個at & t unix版本運行於apple的quadra計算機上。 -
Abstract : this article reports a study on the synthesis and propertiesis of thioethers bi - equivalent magenta couplers. experiments carried on color negative film and color paper showed that these bi - equivalent couplers perform higher photographic activity and higher stability compared with conventional quadra - equivalent magenta couplers and are also different from dir couplers
文摘:本文敘述硫醚類二當量品紅成色劑的合成和性能研究,經彩色膠卷和彩色相紙應用試驗,與四當量成色劑比較,有著更高照相活性與穩定性,並說明了與dir品成色劑的區別。
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