Commonly the dolomite crytals form a framework with evenly distributed porosity.是什么意思？

Commonly the dolomite crytals form a framework with evenly distributed porosity.

通常白云石晶体构成格架,它有均匀分布的孔隙.

commonly

adv. 通常地，一般地，平凡地，粗俗地；

例句
The disease is more commonly known as Mad Cow Disease...
这种疾病更通俗的名称是疯牛病。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

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

dolomite

n. 白云石；

例句
Locally dolomite and anhydrite are important as cements.
局部地方白云石和硬石膏也是重要的胶结物.

form

n. 形状，形式，外形，方式，表

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

framework

n. 构架，框架，（体系的）结构，机构，组织；

例句
She sets up a rigorous intellectual framework to deconstruct various categories of film.
她构建了一个缜密的智识框架来解构各种类型的电影。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

evenly

adv. 平坦地，均匀地，淡然地，不卑不亢地；

例句
Distribute the topping evenly over the fruit.
将配料均匀地撒在水果上。

distributed

adj. 分布式的；v. 分配( distribute的过去式和过去分词)，散发，分销，[常用被动语态]将…分类(into)；

例句
Alms were distributed to those in need.
救济品被分发给困难人群。