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导弹是人们熟悉的军事武器。然而,它在其它领域同样有着重要的作用。利用导弹钻天入地的本领,可以为人类开拓出新奇的领域。日本通过发射炼钢导弹,在太空冶炼出特殊的合金钢,这种钢的硬度和强度比在地面上炼出的钢要高出2倍多,而且没有气孔和杂质,纯度近乎百分之百。前苏联把导弹利用到地质勘探上,制成了本领高强的钻探导弹。这种导弹平均每小时能够钻进7米,而且,不用停下来休息,功能也比通常的钻探设备效果好。美国研制成功一种“电视导弹”。把工作功率大、性能优异的光电微型设备、
Missiles are familiar military weapons. However, it also plays an important role in other fields. The ability to use missiles to penetrate the earth can open up novel fields for mankind. By launching steel-making missiles, Japan smelts special alloy steel in space. Its hardness and strength are more than twice as high as that of steel produced on the ground. There is no porosity and impurities and the purity is almost 100%. The former Soviet Union made use of missiles on geological exploration to make high-strength drilling missiles. This missile can drill an average of 7 meters per hour, and, without stopping to rest, the function than the usual drilling equipment works well. The United States has successfully developed a “television missile.” The working power, excellent performance of optical micro-devices,