For instance a white cup with a black spot is' imperfect. 'Using design, we tell people' it is still a good cup. '.
比如带有黑色斑点的白色杯子是‘不完美’的，通过设计，我们告诉人们‘它仍是一只好杯子’。
2
Grey system theory whose research object is Grey system of which information is imperfect, contrasts with White system theory and Black system theory.
灰色系统是一个信息不完全明确的系统，以研究灰色系统为对象的灰色理论是与白色理论、黑色理论相对应的。
3
The existing problems of black phosphating process for solenoid valve were analyzed, including unstable phosphating quality, imperfect technics, incongruous rack design and low post-treatment quality.