divergence degree的用法和樣例：
例句
- A beam of high radiant power will have high divergence.
高輻射功率的光束會有高的發散度。 - Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.
因為尖劈耦合器形成的光束是由許多出射角稍有不同的光線組成的，放出射光束的特點是具有較大的發散度。
