第二发球 second service ; second serve
第二发球员 second server
分立二发射极 discrete dynode
发光二极管 light-emitting diode ; light emitting diode ; LPF Light-Emitting Diode
有机发光二极管 OLED ; Organic Light-Emitting Diode ; Organic LEDs ; LOED ; organic light-emitting diode 缩写为 oled
二发得分率 st serve won
微小的第二发光器 secondary photophores
二十国集团发展议程 the G20 development agenda
二次开发 GRIP ; secondary development ; Application Development ; ObjectARX
周二发表的这份报告，正值人们越来越担心渔业和气候变化对南极的影响之际。
The report, published on Tuesday, comes amid growing concern about the impact of fishing and climate change on the Antarctic.
周二发布的一项研究显示，自19世纪30年代以来，加州已经失去了一半的大树。
California has lost half its big trees since the 1930s, according to a study to be published Tuesday.
涂料制造商杜邦公司周二发布的一份报告显示，银色和黑色在汽车颜色的争夺中势均力敌。
A report from paint manufacturer DuPont released Tuesday indicates that silver and black are locked in a tight battle for car-color supremacy.
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