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德夫林表示，鉴于近期地区局势发展，公众普遍存在不确定感和紧张情绪。他强调，以色列国防军正密切监视伊朗的局势，保持高度警惕并已准备好保卫民众的安全。此外，以军正在与其合作伙伴进行全面协调，进一步加强防御能力。
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Leonardo da Vinci is usually credited with conducting the first systematic study of friction in the late 15th century, a subfield now known as tribology that deals with the dynamics of interacting surfaces in relative motion. Da Vinci's notebooks depict how he pulled rows of blocks using weights and pulleys, an approach that is still used in frictional studies today, as well as examining the friction produced in screw threads, wheels, and axles. The authors of this latest paper used an experimental setup similar to da Vinci's.，详情可参考91视频
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