包层 meaning in Chinese
boiler clothing (or lagging)
cladding
Examples
- This envelope gradually peters out with altitude .
这一包层随高度而逐渐稀薄。 - The outer part of the envelope now has the form of a thick shell or dust cocoon .
现在包壳的外层部分是厚壳层或尘埃包层的形状。 - It is not clear whether the envelope is ejected in many small spurts or all at once .
包层的抛射究竟是通过多次小喷溅，还是一次全部抛出，这并不清楚。 - At the point c, the star develops a convection zone extending from near the surface deep into the extended envelope .
在C点，星体产生一个对流区，从表面附近向内扩展到广袤的包层。 - When helium burning takes over the main burden of energy generation in the star, the core expands somewhat, and the envelope contracts somewhat .
当氦燃烧成为星体能量产生的主要来源时，核心略微膨胀，而包层略微收缩。