Study of the laddered approach of bilingual teaching mode .

"阶梯式"双语教学模式的研究与探索。

Damn ! That 's the second pair of tights I 've laddered today !

该死！这是我今天抽丝的第二条紧身裤了！

The judges felt this represented a step change on the existing strategy tree , and laddered the concept to a whole new level .

评委们认为，这个词的出现意味着现有的“战略树”一词发生了跃变，并将这个概念提升到了一个全新的高度。

Attempt and discovery of the laddered opening teaching in physical experiment .

物理实验实行阶梯式开放教学的尝试。

He has created a ' barbell ' portfolio of u.s. government debt , with around 70 % laddered into one - to five-year treasurys and high-quality municipal bonds , and the other 30 % in debt that is seven to eight years out .

他创建了一个“杠铃”投资组合，由美国国债构成，约有70%放在一到五年期国债和高质量市政债上，其余30%放在七到八年期的品种上。