视角范围 meaning in English

angular field of view

The third level : on the basis of second level , the scope on study will be expanded from one ' s own system of the enterprise to subjects who is correlated with of advantages and disadvantages with the enterprise , for instance the government , research organization , etc . the concrete content is included to these five chapters from chapter five to chapter nine
第三层次：在第二层次的基础上，本文将研究的领域和视角由企业自身体制扩展到与企业有利害相关者，如政府，研究机构等。具体内容包含在第五章到第九章这五章中。第三层次研究时间跨度较大，视角范围比较广。
It is proved that the formula is exclusive in this test system by experiment . the standard tft - lcd module has been tested by this test software , including contrast ratio , color chromaticity , viewing angle , bad dot and luminance . these tested data are compared with those parameters of standard tft - lcd module , which proved that varying amplitudes are all in the required region of tft - lcd module testing
应用本测试软件对经检验合格的标准tft - lcd模块进行测试,测试内容主要为对比度、色度、视角范围、坏点、亮度等,将测得的数据与标准tft - lcd模块的参数进行比较,其数据变化幅度均在tft - lcd模块测试所规定的范围之内,符合tft - lcd模块测试的要求。