Such a beam would easily penetrate the star's outer layer, but the stellar core would be sufficiently dense to absorb part of it.

这种光束很容易穿透恒星的外层，但是恒星的内核的密度将足以吸收其中的一部分。

youdao

The structural core of the project is a raised flooring system with a series of columns and a ring beam on the top for stability.

项目的结构核心部分是一个抬高的顶棚系统，附带依次排列的圆柱以及置于其上用来增强稳定性的一根圆形横梁。

youdao

The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.

对空心光纤的结构特点做了细致的分析，采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。

youdao

This generates the coherent light of a laser beam in the core of a long, thin optical fibre.

ECONOMIST: Solar power from space

The traditional design and practices for building these bridges combine the use of wood, traditional architectural tools, craftsmanship, the core technologies of beam-weaving' and mortise and tenon joints, and an experienced woodworker's understanding of different environments and the necessary structural mechanics.

UNESCO: Culture