It is assumed that the feed stage is a fixed ratio of the total number of stages.

它假定了进料位置是总塔板数的固定比例值。

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During the first three stages, they live entirely in water.During the larva stage, they feed on algae and other microorganisms and must frequently bob to the surface of the water to get air.

在前三个阶段中，蚊子都是在水中生活，以水藻和其他微生物为食，并且必须定期游到水面呼吸空气。

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Her job is to stand at the side of the stage and feed the actors with their lines when they forgot them.

她的工作是站在舞台边上，在演员们忘记台词的时候提示台词。

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The fat content of raw milk varies with cow breed, feed, and stage of lactation among other factors.

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"He mainly goes into the key stage one playground and we feed him at lunchtime, " she said.

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No-one connected to the show has commented, but the venue apologised for the late start via its Twitter feed saying: "Justin Bieber is now on stage and apologises for the lateness of his show".

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