这种所谓“固定-移动的融合”(FMC)的尝试试验虽然在过去的几年里失败了很多次。

This is called "fixed-mobile convergence" (FMC), and there have been many failed attempts at it over the years.

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五角大楼表示，该固定价格的合同将包括253枚战术导弹，5枚试验导弹，20个发射器改装套件，13台装有发射解决方案的计算机和其他组件。

The Pentagon said the fixed-price contract would cover 253 tactical missiles, five test missiles, 20 launcher modification kits, 13 fire solution computers and other components.

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例如，在万能拉伸试验机上，固定端和移动的十字滑块之间的变形是以恒定速度进行的。

For example, in the universal testing machines, the motion between the fixed and moving crossheads can be controlled at a constant speed.

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