求翻译：杭州照相机械研究所成立于1978年,是中国照相机械行业唯一的行业归口和科技开发类研究所,是国内最早专注于光学领域的研发、生产型单位。是什么意思？

Hangzhou Photographic Machinery Research Institute was established in 1978, the Chinese photographic machinery industry the only industry focal point and of Science and Technology Development Institute, is the first focused on the optical field of research and development production unit.

Hangzhou photographic Institute of Mechanical Engineering was founded in 1978, China is a unique photographic machinery industry in the Industry and Technology Development Institute, is the oldest domestic focus on optical area of research and development, and production units.

正在翻译，请等待...

Hangzhou Institute of photographic machinery was founded in 1978, is the only industry focal point photo of China machinery industry science and technology development Institute of classes, is one of the earliest to focus on optical research and development, production units in the area.

Hangzhou photographed the mechanical research institute to be established in 1978, was China photographs the mechanical profession only profession return and the technical development class research institute, was the home concentrates most early optics domain research and development, the productio