1.
Research on Determination Method of Navigable Clearance Dimensions in the River-spanning Bridge Area
跨江大桥通航净空尺度确定方法研究
2.
Discussion on Bridge Site Selection and Navigational Clearances for Sea Crossings
跨海桥梁桥址选择和通航净空尺度问题的探讨
3.
Application of mathematical model on the clearance breath of bridge navigation hole
数学模型在桥梁通航孔净空宽度计算中的应用
4.
a clearance of only two feet, eg for a ship moving through a canal
仅两英尺的净空（如船通过运河时）
5.
An underpass with a13-foot clearance.
有13英尺净空的高架桥下通道
6.
Centre lathe. Dimensions and operating clearance area can be specified.
普通车床。可以指定尺寸和操作净空面积。
7.
The Research on Extent of Turbulence Zone Around Pier and Width of Navigable Bridge Opening;
桥墩周围紊流区宽度及桥梁通航孔净宽研究
8.
large-scale aerial photography
大比例尺航空摄影术
9.
Nippon Air Cargo Clearance System (NACCS)
日本航空货物通关资料处理制度
10.
a nautical unit of length (15 ft).
航海长度单位等于英尺。
11.
RESEARCH OF THE METHOD ENHANCING ACCURACY OF INTERPRETATION FOR TREE SPECIES ON LARGE SCALE AERIALPHOTOS
提高大比例尺航空像片树种判读精度的方法研究
12.
AVB (Avionics Bulletin)
《航空电子学通报》
13.
Study of College Teaching Building a Whole (Group) Design of Spatial Scales
普通高校整体式教学楼（群）空间尺度研究
14.
Air Traffic Management Division [Civil Aviation Department]
航空交通管理部〔民航处〕
15.
Telecommunications Unit [Civil Aviation Department]
航空通讯组〔民航处〕
16.
AACS (Airways and Air Communications Service)
航路与航空通讯联络处
17.
A journey through outer space.
航空，航行通过外层太空的航行
18.
Folding machine. Dimensions and operating clearance area can be specified.
折边机。可以指定尺寸和操作净空面积。