At the end of paper the gravity influence on the precision of paraboloid is presented.
文末分析了在重力作用下对抛物面成型精度影响。
The unique design of the double paraboloid reflector, so that the lamp light efficiency increase;
独特的双抛物面设计反光罩，使灯具光效大幅提高；
The unique design of the double paraboloid reflector, so that the lamp light efficiency increase;
独特的双抛物面设计反光罩，使灯具光效大幅提高；
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