an imaginary line on the surface of the earth following (approximately) the 180th meridian.
地球表面紧挨着度经线的一条假想线。
an imaginary line passing through both magnetic poles of the Earth.
通过地球两个磁极的假想线。
an imaginary line around the Earth parallel to the equator.
围绕地球与赤道平行的假想线。
an imaginary line around the moon parallel to its equator.
围绕月亮与月亮的赤道平行的假想线。
an imaginary line connecting points on the Earth's surface where the magnetic declination is zero.
一条在地球表面上连接磁偏为零的点的假想线。
The imaginary line extending through a font and representing the line on which characters are aligned for printing.
一条通过的字形的假想线，表示印刷时字符应依此线排齐。
either of the two halves of a surface or an object divided by an imaginary central line
（一物体或物体表面从中以假想线分为两半之一的）
One of three or four imaginary lines used to define the faces of a crystal and the position of its atoms.
晶轴用于决定水晶表面和它的原子位置的三、四条假想线中的一条
Mean line: Imaginary line which runs along the top of the lower-case letters in a line of text. It is one of the construction lines needed for letter design.
中间线:在一行英文字里，沿着小写字母上端的一条假想线条。它是字体设计所需的结构线之一。
Any of the imaginary lines representing degrees of latitude that encircle the earth parallel to the plane of the equator.
纬线，纬度圈与赤道平面平行且环绕地球用来表明纬度高低的许多假想线中的任意一条
An imaginary line to which elements of a work of art, such as a picture, are referred for measurement or symmetry.
中轴线相对于某些要求测量或对称的文艺作品的一条假想线，如绘画
A meridian is an imaginary circle.
子午线是假想出来的一个圆圈。
Where is the line that divides the world in half?
科学家用一条假想的线把地球分成东、两个半球。
Modeling Thinking of Linear Panel Data Model--Hypotheses,Thinking Methods and Limitations;
线性面板数据模型建模思想——假设、思路与局限
On the Planning of Green Vacation Tourism Projects in Chongming Island and the Conceptions of It s Route Design;
崇明岛绿色度假旅游项目规划及线路设计构想
From the wave viewpoint, a ray is an imaginary line drawn in the direction in which the wave is traveling.
从波动观点来看，一条光线是一条假想的、按波行进方向画出的线。
on the assumption that...
在…的假定之下,假想…
On Network Advertisement Pricing Model--A Study Model of Hypothetical Chart of Online Information Flow;
论网络广告的定价模式——一个在线信息流程假想图的研究范式