The main beam anchor outline of one twinbeams cable—stayed bridge in the south China area was changed.
华南地区某双幅斜拉桥主梁锚座轮廓的变更。
2
A new method using twinbeams with the quantum correlation to detect the small phase shift has been suggested.
本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。
3
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.