初始磁导率的英文：
initial permeability

initial是什么意思：
adj. 最初的；字首的
n. 首字母；声母
v. 用姓名的首字母签名

marginal initial
边缘原始细胞[见于植物]

The body is initially at rest, and the spring is initially unstretched.
起初物体是静止的，弹簧也未拉长。

embryo initial cell
胚原始细胞

Initially, all went well.
最初，一切顺利。

It is very familiar to the initiate.
这对新加入者是很熟悉的。

permeability是什么意思：
n. 浸透性,可透性,导磁性

This membrane is semi-permeable.
这层膜是半渗透性的。

The waste material is placed in cells with permeable membranes
废液置于有渗透膜的槽中。

The major difference is that geological structures have limited permeability.
主要的问题是地质结构的渗透性有限。

The permeability of a soil is important for calculations of underground flow
土的渗透性对于地下液流的计算很为重要。

Histamine causes vasoconstriction and increased permeability of small venules.
组织胺能引起血管收缩，并增强小静脉的透性。