The human eye is a highly non-lineardevice, and web-users can instantly recognize edges, patterns and motions .
人类的眼睛是一个高度非线性运作的设备，网页用户能够直觉地识别边界、模式和运动。
2
Paper describes the principle and device for machining inducer blades with non-developable parabolic surface profiles with general purpose machines by using the linear-cutting method.
本文介绍了利用线切削方法在通用机床上加工非可展直纹抛物面导风轮叶型的原理与装置。
3
The device of measuring the vibration of roadbed and rail is necessary when we build rail. The linear Array CCD can be used to automatic non-contact measurement of railway track vibration.