1. Normal style: exposure suit is designed with a sharp-angled or ring neckline, collocated with gallus trousers or apron, with free breath holes covering back and oxter; or dust coat.

2. The round and sharp-angled T wave is remarkable differ from the ECG of the Hypokalemic. So it is the characteristic T wave's change of the congenital heart disease.

3. Conclusion The round and sharp-angled T wave is the characteristic change of the congenital heart disease, it is of great value to diagnose the congenital heart disease.

4. Finally, in the bottom of pump axle's keyway, sectional dimension changes greatly, the keyway's root is sharp-angled, and there exist many corrosion pits.

5. Through analyzing the ATR curves, we can conclude: the multi-layer SPR biosensor exhibits a more sharp-angled ATR curves and a great sensitivity enhancement.

6. European vetchlike herb naturalized in the eastern United States having umbels of pink-and-white flowers and sharp-angled pods.