uniform rule

It is confirmed that, silver nanoparticles are deposited on the surface of SiO2 sphere by the rule of nucleation-growth mechanism, and each reaction step must be controlled effectively to obtain dense and uniform silver layer.

确认纳米银沉积是基于成核一生长机制，对不同反应步骤分别实施有效控制是获得致密均匀覆盖纳米银层的关健和难点。

Due to lack of uniform writing teaching materials and authoritative writing teaching system, there is no order to follow, no system to base on and no rule to abide by, in writing teaching of senior middle school.

在作文训练机制上，由于缺乏统一的作文教材和权威的作文教学训练体系，高中作文教学呈现出盲目性、随意性、低效性等较为普遍的问题；

A simple rule to judge the column regularity is suggested. That the retention time do not change when the column is turned round under the same temperature and pressure operating conditions can be served as the necessary and sufficient premise for a uniform column.

提出了柱均匀性的简单判据：相同柱压和温度条件下调换柱的进出口后保留时间不变是柱均匀的充分必要条件，是柱几何对称必要条件。

The problem of data distribution and tiles declustering over non-uniform multi-disks is discussed. A multi-constraints considered uniform rate logical disk partition method and a maximum-distance rule based logical disk sorting method in the same physical disk or host are also given. 4.

重点讨论了非均匀多磁盘数据分配和瓦片分布问题，给出了一种考虑多种约束的速率均匀逻辑磁盘划分方法和一种基于同物理磁盘同主机间最大距离准则的逻辑磁盘排序方法。

Target moving element is given through calculating sonar data, then its kinematic rule is imitated with uniform straight line motion.

目标运动要素可通过解算声纳数据而获得，用匀速直线运动来模拟目标运动规律。