D region

D region

美 　英

• na.【气】D 区
• 网络D区；D层

英汉解释

na.

1. 【气】D 区

英英解释

n.	1. the lowest part of the ionosphere above the Earth's surface 2. a short sequence of various amino acids in an immunoglobulin that contributes to antibody diversity

例句

The lowermost mantle layer is above the core mantle boundary (CMB) and composed of D " region and ultra-low velocity zone (ULVZ). "

地幔底层由具有高地震波速和高密度的D″区和超低速带（ULVZ）组成。

Design of Fuzzy Controller for Flight Control with D-region Pole Constraints

飞控系统D域极点配置模糊控制器设计