The power output on the elliptical, for example, according to Mattson, it largely comes down to how well each machine calculates that power output, which is a relatively reliable proxy for calories and the more complex and machinists.
比如橢圓機上的功率輸出,馬特森認為,這主要歸結於每臺機器對該功率輸出的計算能力,這是一個相對可靠的卡路里和更復雜的和機械師的代理。