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- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- navigation by triangulation 三角测量导航法
- Usually for a precise survey control points are established by triangulation. 通常对于精确的测量,控制点是根据三角网来定位的。
- He has to learn to navigate by electronic instruments. 他得学会用电子仪器导航。
- We have found by experience that distance can be measured in another fashion: by triangulation. 我们曾经凭经验发现可以用另一种方式来测量距离:即用三角法。
- Measurement precision is improved greatly by triangulation measurement only in small range. 仅在小范围内进行三角法测量,测量精度大大提高。
- The land surveyer worked by triangulating the plot. 这个土地测量员对这块地作三角测量。
- The ship was navigated by the North Star. 那只船靠北极星来导航。
- Some use the Sun as their guide during the day and then switch to star navigation by night. 还有的白天利用太阳,晚上利用星星。
- Dolpins also navigates by some kind of echo system. 原来海豚也是借助某种回声系统寻向的。
- Quick Tabs Provides easy tab selection and navigation by displaying thumbnails of all open tabs in a single window. 快速选项卡通过在单个窗口中显示所有打开选项卡的缩略图,您可以快速选择和导航选项卡。
- These birds navigate by the sun. 这些鸟靠太阳确定方向。
- The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。
- How can a boat navigate by water without sail? 船若没有帆将如何涉水航行?
- Most bats navigate by echolocation. 蝙蝠是靠回声定位法来导航的。
- The paper discusses high precision positioning and navigation by analyzing the structure and functions of vehicle navigation system. 通过对车载导航系统结构、功能的分析,对车辆的高精度导航定位进行了研究。
- Dolphins also navigates by some kind of echo system. 原来海豚也是借助某种回声系统寻向的。
- It is an effective way in integrated navigation by using Strapdown Inertial Navigation System(SINS),GPS and Doppler Velocity Log(DVL). 利用捷联惯导(SINS)、GPS定位系统和多普勒计程仪(DVL)进行组合导航是水下运载器导航定位的有效方式。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- Although icebound much of the year, it is a leading port and can generally be opened to navigation by icebreakers.Population, 408,000. 虽然每年大部分时间为冰封期,但仍是一主要港口,一般由破冰船破冰通航。