The all wave optical fiber recently developed by Lucent Technologies is presented, and the possible use in large and medium cities of our country is discussed.
介绍了朗讯科技最新开发的全波光纤，并讨论了在我国大中城市中全波光纤的应用前景。
MNJ have special sales agencies in large or medium-sized cities of our country and products have been sold to Occident, South East Asia and Middle East.
梦洁士在国内的大、中城市均有特约经销处，并远销欧美、东南亚、中东地区。
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