beam reach

基本解释

Einstein's theory of relativity can be summed up this philosophy, real words: 'a beam of light can reach the same point twice.
爱因斯坦的相对论所说的时间的相对性（同时性的相对性，不是真正的时间的相对性，而是时间二元论。
In a unit of The Way Things Work, they try to inhabit the minds of scientists devising a pathway for a beam of light to reach a target.
在“自然规律”的课程里，他们试着想科学家那样去思考来设计一套装置来控制光线的（折射反射）轨迹，最终使光线射向规定的目标。
Its innovative design is based on a semi-displacement hull that is quite narrow in the beam, allowing it to reach 30 knots or more with modest power.
它创新的设计在于拥有较窄船梁的半排水船体，使得其能够在中等动力下获得超过30节的航速。