《影视技术》（１９９１．１）刊出了《中外科技馆球幕放映系统之比较》一文。作者林达忠指出：各地科技馆球幕演示厅的放映系统，完全可由国产装备取代进口，这样既可大大地减少该项目的建设投资，还可将节省下来的部分资金转为对影片节目制作的投资。笔者对此非常赞同，... “Film and Television Technology” (1991.1) published a “Chinese and foreign science and technology museum ball screen screening system,” a text. According to the author, Linda Chung pointed out that the screening system of the dome hall demonstration hall in all science and technology museums can be completely replaced by imported domestically produced equipment, which can greatly reduce the investment in construction of the project and can also transfer some of the saved funds to the production of film programs . I very much agree with this, ...