壁钟

Thousands upon thousands of glowworms attach on roof like countless stars twinkling in the welkin. The glowworms on the top of the head as if a magnificent incomparable diamond necklace and the fickle sky in four seasons .All have come into being peculiar natural wonder of Yimeng Area. Being personally on the scene, you will marvel it and forget coldness on the scoop .

成千上万的萤火虫附于钟乳洞壁之上，象无数闪烁的星光在穹顶间闪烁，密集成一片灿烂绒绒的星际，头顶的萤火虫就像一条华丽无比的钻石项链，又象是四季变幻无穷的奥妙星空，从而形成了沂蒙特有的自然奇观，置身其间，你会惊叹它的神奇，忘记了水道的寒冷，使人浮想联翩，流连忘返！

The conclusion is that the "ω" shape suction champer has excellent hydraulic characteristic in different inlet flow conditions. Its hydraulic loss is small and velocity-averaged streamline angles on special cross sections are approximately 90°.

试验和数值分析结果表明：采用&ω&形后壁吸水室钟形进水流道在不同进水条件下均具有良好的水力性能，水力损失小，流道出口断面速度加权平均入流角接近90？

J Am Coll Cardiol,1991;17:509［15］ Shimizu A,Nozaki A,Rudy Y,et al.Onset of induced atrial flutter in the canine pericarditis model ［J］.J Am Coll Cardiol,1991,17:1 223［16］ Stevenson WG,Khan H,Sager P,et al.Identification of reentry circuit sites during catheter mapping and radiofrequency ablation of ventricular tachycardia late after myocardial infarction ［J］.

在冠状窦起搏周长为300 ms和静脉给予1 mg/kg氟卡胺后，在房扑组病例中SD2均由上至下进行性延迟，指示第二个心房波激动主要是由间隔激动沿三尖瓣环逆钟向兴奋右房游离壁所致，显示出跨界嵴传导功能性阻滞。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。