Two additional electric movable stairways with controlled speed can be driven along the second stage and are integrated into the show.

两个额外的速度可控的电动可移动楼梯能够在第二舞台间自由移动，与演出融为一体。

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The controlled speed determines film thickness and overall coating efficiency, and its surface finish determines the texture of the coating.

速度的控制决定薄膜的厚度和整体涂布的效率，并且表面的光滑决定涂层的手感。

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Powerful mechanical transmission case controlled speed can be changed quickly, and will not decrease developed power, assuring low breakdown rates.

速度以强力机械式变速箱控制，能快速变化速度，不减低出力，故障率极低。

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"Do it at a controlled speed and you will almost certainly fail, " he said.

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For the first part of the mission, the satellite will be controlled by a new high-speed Linux-based cubesat computer developed at SSC, which is part of the University of Surrey.

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The speed of melting is controlled by silk.

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