Andrei's description of policy classes describe their power as being derived from their granularity and orthogonality.是什么意思？

Andrei's description of policy classes describe their power as being derived from their granularity and orthogonality.

Andrei对于policy类的描述说明他们的威力来自于他们的颗粒性和正交性.

description

n. 描述，形容，种类，类型；

例句
Police have stressed that this is the most accurate description of the killer to date...
警方强调这是迄今对凶手最精确的描述。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

policy

n. 政策，策略，保险单，策略性；

例句
We have seen this as an attempt to place the blame for a policy that has gone adrift.
我们已经认识到，这是把责任归咎于一项已偏离方向的政策的一种企图。

classes

n. 班( class的名词复数 )，等级，阶级，种类；

例句
Part-time English classes are offered. In addition, students can take classes in word-processing and computing...
开设了非全日制的英语班。另外，学生可以修读文字处理和计算机课程。

describe

vt. 描写，形容，叙述，描绘，作图，（行星等）周转；

例句
Globalisation is a catch-all to describe increased international trade...
“全球化”是个泛称，用以描述增进了的国际贸易。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

power

n. [机]动力，功率，力量，政权，权力，强国，大国；vt. 运转，用发动机发动，使…有力量；vi. 靠动力行进，快速行进；adj. 权力的，机械能的，电动的，用电力（或动力）发动的；

例句
Only now can I begin to apprehend the power of these forces.
直到现在我才真正了解这些队伍的力量。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

being

n. 存在，生物，人，要素，本质；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

derived

vi. 起源，由来，衍生，导出；v. 得到( derive的过去式和过去分词 )，（从…中）得到获得，源于，（从…中）提取；

例句
The singing of Christmas carols is a custom derived from early dance routines of pagan origin...
唱圣诞颂歌的风俗源自异教徒早期的舞蹈仪式。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

granularity

n. 间隔尺寸，粒度；

例句
The granularity of salt may affect on the quality, fluxion and bulk density of product.
粒度作为精制盐的物理指标之一,其大小、均匀性, 直接影响到产品的质量、流动性和结块等.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。