分层的

Provide the vectograph of dividing layers , the realization course of the attribute data on the basis of west institute's planning drawing.

在规划图基础上给出了矢量图和属性数据实现过程。

Relative higher concentration of gammacerane in Songliao fresh-brackish lacustrine environment is connected with water column stratification caused by event of linking between lacustrine and sea.

松辽盆地淡水-微咸水环境较高含量伽马蜡烷表明其形成与湖海沟通起水体事件有关。

On the one hand, face a different class of service, which in itself is an objective requirement consumption tiered consumer markets must be broken down, the need to professionalize.

一方面，要面对不同阶服务，这本身就是消费客观要求，消费市场须、须专业化。