您要查找的是不是：
- double density encoding 倍密度编码
- Double density disc: A floppy disc which can store twice as much information as its single density counter part. 双倍密度磁碟:能贮存双倍数据的软磁碟。
- This system contains all necessary control and data circuitry to interface with CRT, standard ASCII keyboard, matrix line printer, EPROM programmer, dual single side double density floppy disk drive, cassette tape recorder, etc. 系统具有各种必要的控制及数据线路,可以与CRT、标准键盘、针型行打、EPROM编程器、单面双密度软盘驱动器、盒式磁带录音机等相接。
- Sure , 1.4 Meg double density? 好的，1.;4兆，双密度的？
- Safety shoes in suede leather,anti-bacterial lining and insole,Polyurethane double density sole,oil-resistant,anti-static, water-proof available,steel toecap,steel midsole available. 详细信息：低帮安全鞋,反毛皮,抗菌内里及鞋垫,聚亚安酯双密度底,防油,防静电,防滑,防水,防砸,防刺穿
- Safety shoes in suede leather,anti-bacterial lining and insole,Polyurethane double density sole,oil-resistant,anti-static,anti-slip.With water-proof available,steel toecap,steel midsole available. 详细信息：安全鞋,反毛皮,抗菌内里及鞋垫,聚亚安酯双密度底,防油,防静电,防滑,防水,防砸,防刺穿
- SS/DD [Single-Sided Double Density] 单面／双密度[指磁片]
- DS/DD [Double-Sided and Double Density] 双面双密度[指磁片]
- double side & double density floppy disk 双面双密度软磁盘
- Injected double density PU outsole； 双密度聚氨酯(PU)注塑鞋底；
- double density dual tree discrete wavelet transform 双密度双树小波
- double density dual-tree complex wavelet transform 双密度双树复数小波变换
- double density wavelet transform 双密度小波变换
- The little ball double density seals the stainless steel bearing 精密小滚珠双密封不锈钢轴承
- Texture Image Retrieval Based on Double Density Wavelet Transform 基于双密度小波变换的纹理图像检索
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
