Objective To develop an improved prototype making its operating principle adapt to the space microgravity enviroment better, based on the ground-based prototype of a space plant-growing facility.

目的在空间植物栽培装置地面样机研制的基础上，完成空间植物栽培装置地面改进样机的研制，使其工作原理更能适应空间微重力环境条件。

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Living in an asteroid's microgravity would be similar to the environment experienced by crews aboard the International Space Station.

住在一颗小行星将类似的微重力环境所经历过的人员乘坐国际空间站。

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The tray also holds the food packages in place and keeps them from floating away in the microgravity of space.

拖盘也用来把食物包固定在某处，防止它们在太空微重力作用下到处飘浮。

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But while Logan cautions that although the act of ejaculation would likely not be impeded in space, microgravity would do nothing to enhance it.

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Dr Evetts says that researchers putting proposals to the European Space Agency are aware that microgravity research is a long haul.

BBC: Chris Hadfield says Nasa's job is not to 'titillate'

That means Mars-bound astronauts will also have to skip out on the ground-based psychological support sessions that astronauts and cosmonauts working on the international space station routinely have just to make sure microgravity has not gone to their heads (Before Soviet cosmonaut Yuri Gagarin became the first man in space in 1961, experts were afraid weightlessness might cause schizophrenia, explained one doctor).

CNN: Mars on the brain? Red Planet pioneers to face cosmic mind trip