By using transformation thought, this paper obtains the focus chord of all kinds of conic section through analyzing a sample in conic section teaching.

利用变换思想，对圆锥曲线教学中的一道例题进行分析，得出了各种圆锥曲线的焦点弦，并引伸其结论，将圆锥曲线的焦点弦变换为中心弦。

youdao

Only starting with the transformation of management thought, renewal of management method and reengineering of management process, can these contradictions be solved basically.

惟有从管理思维的变革、管理手段的更新和管理流程的再造三个方面入手， 方能从根本上解决这些矛盾。

youdao

Winter, with Nature's transformation and beautiful magic, is a time for emotion and contemplative thought.

Rolf Lovland说：“冬天见证了大自然的变迁和美丽魔法，这是一个感性和冥想的时节。

youdao

The experience of talking with 45 abused women and the insights they shared led to a transformation in the way Alisa thought about her work.

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When my fellow diners asked me what I thought about this transformation, I replied that we would be wise to focus on our behavior as opposed to our new technology.

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Unknown to most people in the West, Arab Islamist thought went through something of a transformation in the late 1990s.

BBC