您要查找的是不是：
- freedom of navigation (國際河流或公海上的)自由通航權
- 您可以使用這里的Command和Navigation按鈕對記錄進(jìn)行操作,并在數據集中進(jìn)行導航。You can use the Command and Navigation buttons here to operate on the record and navigate through the dataset.
- 慣性導航系統(Inertial Navigation System，INS)不需要外部信息，具有自主性強的特點(diǎn)。Inertial Navigation System (Inertial Navigation System, INS) does not need external information and has highly autonomous character.
- “sonar”（聲納）是“sound navigation and ranging”（聲音導航和測距）的首字母縮寫(xiě)詞。Sonar is an acronym for sound navigation ranging.
- 預期在2010年左右，下一代GNSS(Global Navigation Satellite Systems)將提供大約100多顆人造衛星用于定位和導航。It is anticipated that around 2010 the next generation og GNSS will offer around one hundred satellites for positioning and navigation .
