secondary area

In practice, even the and secondary school teachers and educators have been rarely touched the area.

实践者中, 即使城市的中小学教师和教育工作者对此概念也很少接触.

This paper introduces the faults change after secondary infilling in Xingnan development area.

摘要阐述了杏南开发区二次加密调整后断层变化情况.

Usually in the area of the alteration information extraction work shows that in secondary vegetation areas, through the information model to optimize the extraction can also have a good effect.

通常在本区进行的蚀变信息提取工作表明，在中等植被区，通过对信息模型进行优化，也可以有不错的提取效果。

【 Methods 】 Using self-reported questionnaire and sampling to investigate 1 408 secondary school students in urban area in Beijing.

【方法】采取自我报告式问卷，以整群抽样的方法对北京市某城区1408名初高中学生进行调查。

While revolutionary character has not taken place and change in the overall pattern, secondary area commercial pattern take place some change, more rationally distribution of the commercial network. A corresponding one is the development of the cities and towns to develop with handicraft industry, commerce.

在总体格局没有发生革命性变化的同时，次级区域内部商业格局发生了一些变化，商业网点的分布更趋合理。与手工业、商业发展相对应的是城镇的发展。

The primary unit is vegetation region, having 14 ones in China. The secondary unit is vegetation zone and the tertiary unit is vegetation area.

第一级单位为14个植被区域，第二级单位为植被地带，第三级单位为植被区。

Surface area calculation of secondary settling tank of activated sludge process

活性污泥法沉淀池断面的计算

And dip slip one with low pitch or one on which there are locking regions along a fault, surface ruptures rarely occur, in stead of seriously secondary surface damages on a wide area.

以倾滑为主的低角度发震断层或连通不好的发震断层，地震地表破裂不发育，而次生的地面破坏普遍发育。

Distribution of secondary saline soils and methods of ground consolidation in Xining Area

西宁地区次生盐渍土的分布特征及地基处理方法

Thermal History and Secondary Hydrocarbon Generation Intensity of Marine Source Rocks in Lower Yangtze Area

下扬子地区热历史与海相烃源岩二次生烃潜力

( 2) Mast cells are transported from the medulla of thymus to the thymus dependent area of secondary lymphatic organs through the blood courses.

成熟的肥大细胞由胸腺髓质经血循到达次级淋巴器官的胸腺依赖区留居；