据伊朗迈赫尔通讯社：伊朗外交部发言人表示，谈判团队将在几分钟内启程前往瑞士。

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Researchers at Anhui University and the University of Science and Technology of China used a femtosecond-laser composite manufacturing process for fiber-integrated devices to fabricate a three-dimensional microtweezer on the tip of a commercial optical fiber, published in Nature. The device delivers output forces more than 100,000 times those of conventional optical tweezers and enables high-precision, low-damage, programmable 3D manipulation of micron-scale targets, precise assembly of complex microstructures, single-cell manipulation and micro-sampling inside ~100-micron confined spaces. Authors cite application relevance for micro-manipulation, microsystems assembly, life-science handling and minimally invasive medical procedures.