Be more justice especially in the domain of the Sky Base Laser Weapon Systems and Their Information Systems, invisible can reflect the essence more.
特别是在天基激光武器系统及其信息系统领域更应该公正，看不见的才更能反映出本质。
To establish a secure link while remaining 100 metres underwater, submarines could transmit photons of laser light to satellites, for retransmission to base.
当潜艇地100米海底时，要建立安全的通信链路，把光子激光发射到卫星上去，再由卫星转发回基地。
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
在合适的激光焊接条件下，热影响区韧性高于母材；
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