However, even with the development of computers and robotics, there are always plenty of boring, repetitive and mechanical jobs, and lots of unskilled people who have to do them.

然而，即使计算机和机器人技术不断发展，社会上总存在着大量的枯燥、重复和机械的工作，以及许多没有一技之长而不得不做这些工作的人。

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Fluid shear is the mechanical force exerted by the movement of fluids over cell surfaces and has been found to play an important role in cellular differentiation, development and function.

流体剪切力是由于液体流经细胞表面所产生的一种机械力，目前发现其在细胞分化、发育及行使细胞功能的过程中起到了巨大的作用。

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Biologists have long suspected that mechanical forces may help shape development.

一直以来生物学家都在怀疑，机械效力可以帮助生物形态的发育。

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Albert is a development mechanical engineer working on what his company hopes will be Croatia's first electric car.

BBC: Working Lives Croatia: Engineer

The university's mechanical engineering department was given the bus by the federal government early this year for research and development, said mechanical engineering professor Vernon Roan.

CNN: Bus showcases fuel cell technology

Its introduction led to the development of mechanical calculators across Europe.

CNN: Vintage tech 'firsts,' including Apple 1, up for auction