ففي سنة 1940م انهار جسر تاكوما الذي يعتبر اطول جسر حين ذاك بسبب الرياح..وما حير المهندسين هو أن شدة الرياح كانت خفيفة وتوصلوا إلى سبب انيهاره هو ظاهرة الرنين نظراً لتساوي تردد الرياح المؤثرة على الجسر مع تردد الجسر نفسه..مما ولد ازاحات وقوى داخلية كبيرة أدت لانهياره .
BY Information about civil engineering
A Telegram spokesman declined to comment on the bond issue or the amount of the debt the company has due. The spokesman said Telegram’s equipment and bandwidth costs are growing because it has consistently posted more than 40% year-to-year growth in users.
The STAR Market, as is implied by the name, is heavily geared toward smaller innovative tech companies, in particular those engaged in strategically important fields, such as biopharmaceuticals, 5G technology, semiconductors, and new energy. The STAR Market currently has 340 listed securities. The STAR Market is seen as important for China’s high-tech and emerging industries, providing a space for smaller companies to raise capital in China. This is especially significant for technology companies that may be viewed with suspicion on overseas stock exchanges.
telegram from us