progressive set

The relationship between environmental factors ( climate and soil) and plant life form gradient was analysed by doub sieving progressive regression method, and mathematical models were set up.

并用双重筛选逐步回归的方法分析了环境（气候和土壤）因子与植物群落生活型谱梯度的关系，建立了相应的数学模型。

That was good enough to share the Progressive Insurance Automotive X-Prize, an award set up to encourage development of production-ready cars that are super-fuel-efficient.

这一成果足以获得进步保险汽车的X奖，该奖的设立是为了鼓励那些超节能的生产准备就绪汽车的发展。

Progressive Wall Reduction means the CG gets progressively lower throughout the set.

进步墙壁减少意味CG得到进步地低在集合中.

In this paper, we studied the precession and gravitation acceleration effects of a test particle in gravitational fields. They are progressive failure, set out slide, and acceleration effects.

本文对试验粒子在引力场中的轨道进动效应和引力加速效应进行了研究。