问题是在股骨神经内所有的神经束是捆绑在一起的，很难去单独刺激它们。

The problem is that within the femoral nerve all the fascicles are themselves bundled together, making it difficult to stimulate them individually.

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一位捐献者被门诊医生描述为“讲话温柔、性格内敛、善于思考”，给人“整洁、无拘无束的感觉”。

One donor is described by the clinic as' softly spoken, introspective, deep thinking 'and with a' neat, relaxed style '.

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大型强子对撞机在位于日内瓦附近欧洲粒子物理实验室的欧洲核子中心。从周末开始，物理学家们在LHC周长为27公里的圆环内，开始质子束流的调束工作。

Over the weekend, physicists began circulating beams of protons around the 27-kilometre ring of the Large Hadron Collider (LHC) at CERN, Europe's particle-physics laboratory near Geneva, Switzerland.

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