Against the background of variant design of satellite payload preliminary scheme, a phasic progress on emergency design method in the case of man-made or natural disasters was reported.

以卫星有效载荷总体方案变型设计为背景，探讨在人为或自然灾害的非正常情况下的应急设计方法。

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Over a decade ago he helped pioneer the idea of the cube-sat satellite that is a small self contained box that could ride with other such boxes in the payload of a rocket where it could conduct low gravity experiments, biological experiments of do other interesting activities when released into space.

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Present thinking seems to be that it will abandon the dual-payload approach in favour of a design that is modular enough that it can loft a single satellite that weighs anything from three tonnes all the way up to six, and possibly even eight, tonnes.

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