您要查找的是不是：
- Pet of modern navigation --Electronic sea chart 现代航海的宠儿--电子海图
- Key Technology Research on Superposing and Display of Radar Background Information in Electronic Sea Chart Navigation System 电子海图与雷达背景信息叠加显示关键技术研究
- electronic sea chart 电子海图
- Web electronic sea chart 网络电子海图
- You'd beter sail with sea chart, for this area is very complex. 你最好携带海图出行，这片海域的海况很复杂。
- Trial Rules for Making Sea Chart 海图作业试行规则
- Digital sea chart ushers in new era of navigation 数字海图开启航海新时代
- Helen became an electronic engineer. 海伦成了一名电子工程师。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- Before staring on a sea voyage,prudent navigators learn the sea charts,study the sailing directions,and memorize lighthouse locations to prepare themselves for any conditions they might encounter. 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
- Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directio, and memorize lighthouse locatio to prepare themselves for any conditio they might encounter. 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
- Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse[] s to prepare themselves for any conditions they might encounter. 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
- This dictionary is available in electronic version. 这部词典有电子版。
- Before starting on a sea voyage,prudent navigators learn the sea charts,study the sailing directions,and memorize lightouse locations to prepare themselces for an conditions they might encounter. 在开始一次海上航行之前，谨慎的航海家们学习航海图，研究航行方向，记住灯塔的方向，为他们可能遇到的情况做好准备。
- Let's have a look at your electronic computer. 让我们瞧一瞧你们的电子机算机。
- Before starting on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse locations to prepare themselves for any conditions they might encounter. 谨慎的航海员在出航前,会研究航向,记录灯塔的位置,以便对各种可能出现的情况做到有备无患。
- Before staring on a sea voyage, ***dent navigators learn the sea charts, study the sailing directions, and memorize lighthouse places to prepare themselves for any conditions they might encounter. 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- I like to read books on electronic music. 我喜欢读一些关于电子音乐的书。
- Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions,memorize lighthouse 本地s to prepare themselves for any conditions they might encounter. 谨慎的航海员在出航前，会研究航向，记录的灯塔的，以便对各种可能出现的做到有备无患。
