推荐回答(2个)
Myopia, has become a disease of modern civilization, is a social disease, a social problem. Not only affect the young students' physical and mental health, but also restricts the development of high-tech industrial, social, military and other fields. A great deal of medical research confirmed that, along with the deepening of myopia, the incidence of various diseases will increase significantly, such as macular degeneration, retinal detachment, especially high myopia is more likely to cause the above complications, serious can cause blindness.
China is a big country of the prevalence of myopia, myopia has become important issues affecting people's health in our country. Therefore, it is necessary to design a vision protector to prevent. In order to correct people read and write bad posture, habits. To avoid harm to people's health. Especially for groups of students, to help students to correct posture, improve the learning environment, students good study habits, to protect the eyesight of students. Eyesight protection device mainly comprises a range, speed and timing three functions. The location and photosensitive module consists of a sensor corresponding function, able to detect the user distance and ambient light intensity and alarm function. The timing module is composed of STC89C52 operating procedures, can realize time on learning time, and through the alarm to prompt the time has come to function, body posture, relax the eye fatigue and light intensity monitoring, so as to achieve the function of protecting the vision.
非常感谢您及时的回答。与你取得联系是件幸事。
我很满意你通过电子邮件发送的所有数据。其实,Mateus Ferianci从诺夫利斯公司将贵公司推荐给了我。在中国的时候,他访问了贵公司,并给了我你的联系方式。
我的期望是,给你发一个报价,截止到本周末。我们可能来中国做一次谈判,以了解贵公司的情况,并决定是否向贵公司提出订购任务。
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