“GRIN optics can be shaped to fit a system, rather than making the system conform to the optics, resulting in reduced size, weight and assembly cost.

汤普金斯说：“梯度折射光学器件可根据系统设计，而不是让系统符合光学器件，因此上降低了系统的体积、重量和组装成本。”

youdao

Sometimes, higher maintenance cost or roofs unable to handle the weight.

有时，昂贵的维护成本或楼顶的承重限制也使人们望而却步。

youdao

Therefore, we need to weight over the cost.

因此，必须要对代价进行衡量。

youdao

But the airlines have been cool to the idea because of the weight and cost.

FORBES: Light Warfare

This reduces both weight and cost, and also means that the design can easily be scaled up.

ECONOMIST: Pushing the envelope

Since capacitive touchscreens can't detect pressure on their own, a second film is needed that can add weight and cost.

ENGADGET: Sony patent claims touch force detection via microphone