And I showed that the computer, the Internet, and the laser-three recent technological black swans-came out of nowhere.
我也说过电脑、因特网和激光，这三样现代科技的“黑天鹅”，本来一无所闻。
The frame and key technological parameters of the laser remote sensing echo waveform collection system were stated.
描述了激光遥感回波波形采集实验系统主要构成以及关键技术参数。
The technological properties of laser welding for aluminum and aluminum alloys are described.
概述了以激光为热源的铝及铝合金激光焊接技术特性。
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