Figure 2 demonstrates the familiar ball-and-stick model of DNA (image is a stereo pair; see Resources for the image source).
图2展示了熟悉的dna球棍模型(图像提供了一对立体模型；见参考资料)。
2
The MODEL 500 incorporates stereo Line-Level inputs and outputs that permit the amplifier to be connected between a preamplifier and amplifier without the need for Y-connectors.
Thee wax pattern itself is made by duplicating using a stereo lithography or similar model-which has been fabricated using a computer solid model master.