有些学校对校服的要求非常严格，如果你的领带结太松，就会被留堂。

In some schools the uniform is so strict that you get a detention if your tie knot is too loose.

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如果你的马已经学会如何啃咬快松结来解放自己，你一定要把多余的绳子部分穿过绳圈来达到“马防”的作用。

If your horse has learned how to nibble the quick-release knot and free himself, you will have to "horse-proof" the knot by dropping the tail of the rope through the loop as shown here.

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从自洽求解薛定谔方程和泊松方程出发研究了利用异质界面上的极化电荷来剪裁异质结能带。

The energy band tailoring in AlGaN/GaN heterostructure by using polarization charge is investigated according to the self consistent solution of Schr dinger equation and Poisson equation.

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