Non - reference line imaginary real amplitude receiver 无参考线虚分量仪
Character spacing reference line 字符空格参考线
Guides appear as lines on the screen but not in the printed output 参考线会以线条形式出现在屏幕上，但打印输出时不会出现。
Document reference edge 文件参考线
These lines are guides that help you line up the controls vertically and horizontally 这些线条是帮助您垂直和水平对控件的参考线。
Displays guide lines that assist you in laying out the container s controls relative to each other 对线显示辅助您布置容器中各控件相对位置的参考线。
The output signal with nominal force determined by means of the reference line , decreased by the zero - force signal 标准力的输出信号减去零点力输出信号。标准力通过参考线得出。
Drag your top and bottom guide lines so that they snap to the top and bottom of your image ( as shows in fig 3a & b ) （拖动你的顶部和底部的参考线，直到他们吸附在图片的顶部和底部。 ）
Readjust the top and bottom guidelines so that they are once again snap to the top and bottom of the background image （重新调整顶部和底部的参考线，直到它们再一次吸附到背景图片的顶端和底端。 ）
Now you need to shift and drag your back ground image up or down so that the horizon / eye level runs along the centre guide line （现在你需要上下拖动你的背景图片，直到图片中的地平线与中间的参考线重合。 ）
