off soundings

Localization and Loop-closing Problems in Depth-fixed Navigation for AUV

定深航行中AUV定位与闭环问题研究

A great ship asks deep waters.

巨轮寻深水而航行。

Not sailing at a safe speed; Not sailing in the prescribed sea route;

不采用安全速度航行；不按规定的航路航行；

Hydrographic Digital Positioning and Depth Recording System

航道数字定位与水深记录系统

housing chain stopper

航行时固定锚的制动链

navigable deep diving vessel for underwater exploration.

用于水下探测的航行用深潜水工具。

and the hazards of navigation presented by the irregularities in depth,

深浅不一能给航行带来危险,

The river is not deep and big ships can not use it.

这条河不深，大船不能航行。

The Research of Dynamic Pricing for Airline Parallel Flights;

民航客运平行航班动态定价模型研究

Length of Civil Aviation Routes： refers to the length of all r outes for regular civil aviation flights.

民用航空航线里程：指民航运输定期班机飞行的航线长度的总和。

deep water route

深吃水航路深水航道深水航路远洋航线

A Discussion on the Feasibility of the Development of Both Sides of the Navigable Waters of Changjiang Mouth Deep Water Channel

长江口深水航道南北两侧可航水域开发、使用的可行性探讨

FEASIBILITY DISCUSSION OF METHODS OF PULSAR AUTONOMOUS NAVIGATION AND TIMING FOR DEEP SPACE PROBE

脉冲星用于深空探测器导航定位及授时的探讨

Study on Positioning System of Deep-sea Mining Vehicle Based on Dead Reckoning

基于航位推算的深海采矿车定位系统研究

The irregularities in depth of the shallow water close to the land bring danger to trip.

靠近陆地的浅水区深浅不一给航行带来了危险。

Exploration for the safety depth of navigation in a subaqueous dune′s regime

水下沙波分布区安全航行水深的计算方法

Reentry Trajectory Optimization for Manned Deep Space Exploration

载人航天器深空飞行返回再入轨迹优化

A Method of Fault Depth Control for AUV based on Redundancy Management

基于冗余管理的水下航行器深度容错控制方法