Extended Course

High geometry is the extended course of elementary geometry.

高等几何是初等几何的延深课程。

Etching time has been extended in wet etching course.

在湿法刻蚀诱导坑时，需适当延长刻蚀时间。

Thanks to the expiry of a payroll-tax credit and extended jobless benefits in December, the United States is on course for a fiscal contraction of some 2% of GDP next year, the biggest of any large economy-and enough to drag a weak economy into recession.

由于工资税减免政策和延长的失业补贴将于12月份终止，明年美国的财政收缩将达到GDP的约2%，高于任何大型经济体，且足以将低迷的经济拖入衰退的深渊。

Conclusion By doing alveolar ridge augmentation, the indication of dental implant can be greatly extended, its course of treatment is shortened and its success rate is increased.

结论运用牙槽骨扩展术大大地扩大了人工种植牙的适应证、缩短疗程和提高成功率。

This text regards the analysis of extended training intension as the breakthrough point, and does the preliminary discussion on the meaning and implementation of the extended training course, in order to attract the attention from sportsdom counterpart.

文章以拓展训练内涵的分析为切入点，就开设拓展训练课的意义以及实施的构建作了初步的探讨，以期引起体育界同行的关注。

Zhengzhou city and Kaifeng city were respectively studied from extended time course of the center city construction land, spatial variation characteristics and structural analysis.

从中心城市建设用地扩展的时间过程、空间变化特征和结构分析三方面分别对郑州、开封两市进行了研究。

Although vaccination would result in negative benefit in the population aged 7 and over, certain net utility was also gained, Therefore we suggest that the subjects to be vaccinated be extended in due course.

虽然7岁以后接种产生负效益，但由于仍可获得相当可观的净效果，因此建议，在适当时机应扩大疫苗接种对象。