grayness怎么读

at the same time, they are bacteriophage to prevent chondrification, blackness and grayness of culture.

同时，是防止文化软骨化、黑色化、灰色化的抗菌素。

Because of the relativity, fuzziness and grayness of evaluating index, the gray relation projection method is applied in the model to calculate quantitatively the synthetic evaluation value of the network operational reliability, hereby the ordering and optimal selection of the telecommunication network is obtained;

该模型针对评估指标的相对性、模糊性和灰色性，运用灰色关联投影法定量计算得到通信网络运行可靠性的综合评估值，并依此对通信网络进行排序和优选；

In the part of image acquisition, there just made an introduction to the critical technologies. And following, some of the major image pre-processing techniques, such as image grayness, image binary, image gray enhancement and image edge detection, were introduced in detail.

首先对图像采集部分的关键技术做了一个介绍，接着描述了车牌识别系统中一些主要的图像预处理技术，包括灰度化、二值化、灰度增强、边缘检测技术等。