The animals act in air, water or on lands have different motion styles. Therefore, Half - rotating mechanism must use different way to realize their motion effect.

空中、水里、陆上运动的动物具有不同的运动方式，因此半转机构也必须用不同的方式去实现它们的运动效果。

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Mann found that by rotating his bottles in the water with a device similar to a paddle wheel.

曼用一种与浆轮相似的装置在水内旋转水瓶，发现了这一点。

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Ultrafine silica powder was prepared in a rotating packed bed(RPB) reactor using water glass and sulfuric acid as raw materials.

以水玻璃和硫酸为原料，在超重力反应器中采用沉淀法合成了超细二氧化硅粉体。

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For nine months the ship Transocean Discoverer Spirit used 360-degree rotating propellers to hold itself steady in the 3, 500-foot-deep water as diamond-tipped bits cut the deepest oil well ever--6.5 miles down.

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