bottom fiber

基本解释

In this paper it gives the introduction of thermal wave testing principle, and the glass fiber reinforced plastic flat bottom hole sample proves the thermal wave theory.
介绍了红外热波检测原理，并用玻璃钢平底洞试件验证了热波理论。
The test results show that, the flexural fatigue strength of polyacrylonitrile fiber reinforced concrete beams with bottom layer steel fiber is larger than the plain concrete 15.7% ;
研究证明：底层撒布较长钢纤维的聚丙烯腈纤维混凝土梁的弯曲疲劳强度比素混凝土提高15.7％；
From bottom to top in the same plant, the fiber length changes of phloem and xylem had the opposite tendency, but the fiber length distribution changes of phloem and xylem had the same tendency.
同一植株从上到下红麻韧皮纤维长度和木质纤维长度的变化恰好相反，而纤维长度分布的变化两者相似；

The design decision I appreciate most is that the back of the display and bottom of the XPS 12 are both lined with a carbon fiber composite.
FORBES: First Impressions: Dell XPS 12 Windows 8 Convertible Ultrabook