These miniature power plants are almost as efficient as huge generators and the heat they produce can be used to heat our homes and water.

这些小型发电机几乎与巨型发电机的效率相同，并且产生的余热可用于家庭保温和烧水。

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Some are tethered to ships, whereas others are cast free to operate like miniature submarines, although these too need the services of a support vessel.

有一些与船只绑定，另一些则如同微型潜水艇一样自由航行，但也是需要有供给船只服务的。

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So, Piaget viewed the child as a scientist who developed this understanding, these schemas, these little miniature theories of the world.

皮亚杰将儿童视为科学家,认为儿童能够形成关于世界的,一系列看法,图示,或者说小型理论

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These miniature cell sites are placed in homes and office buildings to improve network inbuilding coverage and at the same time off-load some of the voice and broadband traffic from the primary commercial networks.

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After all this effort Santa does get tired from posing for these miniature chocolates so when he needed a break other iconic Christmas symbols were created and are also available including a praline Christmas tree.

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In cities where it now owns networks, it sells to companies owned by the local municipality, but these are miniature versions of itself, with protective attitudes and vulnerable minority shareholders.

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