They do not join to the calendar and therefore do not aggregate to higher grain periods.
它们不联接到日历，因此不会汇总到较高粒度的时段。
The individual crystal units comprising the aggregate structure where the crystalline orientation does not change. The grain boundary is where these individual crystal units meet.
构成总的结构的单个的晶体个体，而晶体的方位并没有发生变化。晶界是这些单个的晶体单位相遇的界限。
High acceleration and complex grain can both cause particles to aggregate highly in local part of SRM, thus form high-temperature and dense two-phase flow.
高过载或复杂装药都会引起凝相颗粒在固体发动机局部高度聚集，形成高温稠密两相流。
Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.
由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。
Nonmetal aggregate floor hardener is made of nonmetal aggregate, special cement and other addictives of a certain grain degree. It can be used as soon as the bag used to pack the hardener is opened.
非金属骨料地面硬化剂由一定颗粒级配比的非金属骨料、特种水泥、其它辅料和外加剂组成，开袋即可使用。
It is very important to determine reasonably the maximum grain size, graded sizes and gradation of the coarse aggregate.
合理确定最大粒径、分级尺寸和级配十分重要。
It is very important to determine reasonably the maximum grain size, graded sizes and gradation of the coarse aggregate.
合理确定最大粒径、分级尺寸和级配十分重要。
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