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保持航向
1、keeping away───使离开；远离
2、course───vt.追赶；跑过；vi.指引航线；快跑；n.科目；课程；过程；进程；道路；路线，航向；一道菜
3、keeping scor───保持scor
4、keeping birds───养鸟
5、keeping off───让开；不接近
6、keeping green───保持绿色
7、keeping house───当家，管理家务；[经] 避债
8、keeping───v.（使）保持， （使）继续( keep的现在分词 ); （食品）保持新鲜; 保有; 保存；n.遵守; 一致; （与…）协调; 保管；v.拥有；占有；保持；遵守；抚养；兑现；记（日记）（keep的现在分词）；n.拥有；维持；保护；一致；协调
9、keeping on───继续；穿着…不脱
1、more students who enroll in a course but don't come to campus, the more the school saves on keeping the lights on in the classrooms, paying doorkeepers, and maintaining parking lots.───报名参加课程但不来校园的学生越多，学校在教室照明、支付门卫工资和维护停车场方面节省的开支就越多。
2、control principle of airspeed keeping, altitude keeping, course keeping and swerve control is analyzed, too.───进行了空速保持、高度保持、航向保持和转弯控制等控制律的详细分析。
3、Based On An Adaptive Generalized Predictive Control for Ship course-keeping───基于自适应广义预测控制的船舶航向保持
4、The design and simulation of a fuzzy controller for course keeping───船舶模糊航向KongZhiQi设计与FangZhen
5、Method of designing the GPS synchronization equipment for the course-keeping system───航向标校XiTong的GPS时间同步装置设计方法
6、Of course, keeping up with his technology habit is expensive.───当然，维持他的爱好可不便宜。
7、Input-state linearization based ship's course-keeping controller designs───带有执行器的船舶航向控制反馈线性化设计
8、Because the course of action they took turned out badly, they believe that the opposite course—keeping Mother at home, postponing the operation—would have turned out better.───因为他们采取的行动结果很糟糕，他们认为相反的做法——让母亲呆在家里，推迟手术——会有更好的结果。
9、These days, of course, keeping China's trade surplus down is a bit trickier.───当然了，现在要降低中国的贸易顺差就难多了。
1、The control principle of airspeed keeping, altitude keeping, course keeping and swerve control is analyzed, too.
2、Instead, the focus was always on staying the course, keeping at it and not quitting.
3、For a nonlinear course keeping system for ships, a kind of nonlinear robust PID is presented, which is based on an exact feedback linearization and a closed-loop gain shaping algorithm.