1.
flat square
平面直角,[港]平面方角
2.
Of, relating to, or situated in a plane.
平面的平面的、与平面有关的或位于平面的
3.
Plans, elevations and sections
平面图、正面图及截面图
4.
A tiled surface.
瓦面，砖面铺瓦的平面
5.
With the flat side down or in contact with a surface.
平平地，扁平地以扁平面向下或与另一平面接触
6.
A flat or level surface.
水平面平坦或水平的表面
7.
On the Revolution of the Graphic Design in the Information Age;
平面“不平”——信息时代的平面设计变革
8.
The working projection plane is taken at the equatorial plane corresponding to the ground surface.
工作投影面为赤道平面―相当于地平面。
9.
A plane section of a surface of revolution containing the axis of revolution.
切平面通过旋转轴回转面的部分平面
10.
Inner point and exterior point of a quadric and its plane of the type of contact plane;
二次曲面的内、外点及切平面型平面
11.
plane-parallel magnetron
平行平面电极磁控管
12.
single plane mean outside diameter deviation
单一平面平均外径偏差
13.
altitude indicated above mean sea leve
平均海平面以上高度
14.
Permanent Service for Mean Sea Level
常设平均海平面事务处
15.
single plane mean bore deviation
单一平面平均内径偏差
16.
single plane mean roller diameter
滚子单一平面平均直径
17.
reduction of temperature to mean sealevel
平均海平面温订正度
18.
of a surface exactly even with an adjoining one, forming the same plane.
指完全与邻接平面平齐的表面，形成相同的平面。