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对于消费者来说,买回最便宜的大屏幕彩电是不是就最划算呢?专家称未必。目前大屏幕彩电价格之所以有较大不同,主要是因为它们的“心脏”显像管有较大的档次差别。 电子部有关专家介绍说,显像管对于彩电图像质量,使用寿命的影响至关重要。目前我国市场上64厘米(25英寸)以上大屏幕彩龟使用的显像管有普通平面直角和新一代产品超平面直角两种,与普通的彩电相比,使用超平面直角
For consumers, buying the cheapest large-screen color TV is the best deal? Experts say it may not be. At present, the big difference in the price of large-screen color TVs is mainly due to the fact that their “heart” picture tubes have a greater grade difference. According to experts from the electronics department, the effect of the picture tube on the image quality and service life of the color TV is crucial. At present, there are two kinds of picture tubes used on large-screen color turtles with a size of 64 cm (25 inches) or more on the Chinese market. These are normal plane angles and a new generation of products with two kinds of hyperplane orthogonal angles. Compared with ordinary color TVs, the use of hyperplane right angles