A physically fit body, or a toned up body, creates a sense of well being and increases self esteem thus reducing the effects of external stress.
健康的身体，强壮的体魄，给人以健康的感觉，增强自信，因此可以减少外部压力的影响。
The solution, many now believe, is to fit electric and hybrid cars with external sound systems.
许多人认为，想要解决这个问题，就给电动和混合型汽车安装上外部声音系统。
Fit the dial gauge with some preload and measure the lateral runout at the greatest external diameter of the brake disc.
在带有一定预载的情况下安装百分表，然后测量制动盘最大外径处的横向跳动。
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