将太阳能收集器送至太空的成本是最大的障碍，因此有必要设计重量足够轻，可以减少发射次数的系统。
The cost of sending solar collectors into space is the biggest obstacle, so it's necessary to design a system lightweight enough to require only a few launches.
为了使大型电除尘器的进风箱结构更加合理，利用大型通用有限元分析软件ANSYS，对某电除尘器进风箱结构的主要参数进行了以设计重量为目标函数的优化设计。
In order to optimize the structure of the inlet of large-scale electrostatic precipitator, an optimum design is carried out on the basis of the FEM software ANSYS.
设计师想尽了一切办法让机器人变轻，所以你不必担心它的重量。
The designer has tried every possible way to make the robot light, so you needn't worry about its weight.
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