1.
Closed Form Displacement Analysis of a Planar Fifth Class Group with Lower Pairs
低副机构的一种平面五级组运动分析
2.
Planar mechanisms utilizing only lower pairs are called planar linkages,they may include only revolve and prismatic pairs.
仅采用低副的平面机构叫做“平面连杆”机构,可以只包括转动副和棱形副。
3.
The design of an airborne off-set parabolic reflector antenna with low sidelobes is discussed.
介绍了机载雷达低副瓣偏馈抛物面无线的设计。
4.
A STUDY ON THE MOTION OF SPATIAL FOUR BAR LINKAGE BY REVOLVING VECTOR MATRIX
用旋量矩阵解空间4杆低副机构运动的研究
5.
Effects of Mutual Coupling and Amplitude-phase Errors on the Ultra-Low Sidelobe Antenna;
超低副瓣阵列天线互耦及幅相误差影响的研究
6.
Research on Virtual Design System of Planar Controlled Lower-pair Five-bar Mechanism;
平面受控低副五杆机构虚拟设计系统的研究
7.
Research and Development of Foldable Row Feed of Planar Array Antenna (Low Sidelobe)
可折叠式平面阵低副瓣天线行馈的研制
8.
Research on Wide Beam and Low Sidelobe of Finite Biconical Antenna
有限长双锥天线的宽波束与低副瓣研究
9.
FFT Based Limited Field-of-View Array Antenna Pattern Synthesis
基于FFT变换的阵列天线低副瓣方向图综合
10.
He has a rich bass voice.
他有一副深沉的男低音歌喉。
11.
a teacher or lower rank than an associate professor.
比副教授级别低的大学教师。
12.
assistant professor
助教授(低于副教授高于讲师)
13.
A deck officer on a merchant ship ranking below the master.
大副商船上低于船长的甲板上的官员
14.
police officer( with a rank below that of a captain or sometimes a lieutenant )
警佐（级别低于队长或副队长）.
15.
Can anything be done to reduce symptoms or side effects due to antiviral treatment?
有东西降低抗病毒治疗的副作用吗？
16.
An officer in a police or fire department ranking below a captain.
副队长警察和消防队中的军官，军衔低于上尉
17.
He stared down at his dinner plate in a morose and unsociable manner.
他低头盯着餐盘，一副冷淡不友好的样子，
18.
a small parachute or articulated flap to reduce the speed of an aircraft.
降低飞行器飞行速度的小降落伞或连接的副翼。