An area within which a spacecraft is supposed to land.
着陆区域宇航飞船的预定着陆点
Turn right heading350 to intercept the localizer,27 miles from the touchdown.
右转航向350切入航道，距着陆点27海里。
Cernan and Schmitt landed in a valley almost directly north of the Apollo Eleven landing place.
塞尔南和施米特在“阿波罗”11号着陆点近于正北的一个山谷里着陆。
THE CHOICE OF LUNAR LANDING SITES AND A PRELIMINARY ANALYSIS OF SEVERAL SITES
月球软着陆点的选择与几个预选点的初步对比分析
Turn right now heading280 to establish localizer, descend to2500 feet, cleared ILS approach20 miles from touch-down.
左转航向280建立航道，下降至2500英尺，允许盲降进近，距着陆点20海里。
The experiment are hardly conclusive since they were limited to two landing sites.
这些实验几乎是无法定论的，因为他们仅限于两个着陆点。
Expedite taxi speed, I got one traffic6 miles from touchdown.
加大滑行速度，有一架进近飞机距着陆点（字布）有六哩。
The plane should touch down at2o'clock.
飞机应在２点着陆。
instrument landing system reference point
仪表着陆系统基准点
The plane touched down at the airport at 7:30.
飞机于七点三十分在机场着陆。
Controlled land landing also demanded some way to cushion touchdown impact.
定点控制着陆还要求解决着陆时所产生的强大冲力问题。
Orbit Design of Lunar Precise Fixed-point Soft Landing and Selection of Initial Point
月球精确定点软着陆轨道设计及初始点选取
A LIDAR-Based Autonomous Landing Site Selection Method for Pinpoint Lunar Soft Landing
一种基于LIDAR的精确月球软着陆目标点选定方法
Numerical Solution of TPBVP for Optimal Lunar Soft Landing
月球最优软着陆两点边值问题的数值解法
At last he touched down on the mainland.
最后他在大陆上着陆了。
To land an aircraft on its underside without aid of landing gear.
机腹着陆不用着陆档而以机腹进行着陆
soft-heartedness (soft landing landing of a spacecraft ,eg on the moon)
软着陆（航天器着陆而不受损,如着陆于月球时）.
Touchdown Stability Simulation of Landing Gear System for Lunar Lander
月球着陆器软着陆机构着陆稳定性仿真分析