航空航天术语:微重力

什么是微重力?微重力指人或物体看起来失重的状态。其中“micro-”的意思是“非常小”,所以微重力指看起来重力非常小的情况。在微重力下,重物很容易被移动。比如,航天员动动手指,就能移动数百干克的设备。

What is microgravity?Microgravity is the condition in which people or objects appear to be weightless.'Micro-'means'very small',so microgravity refers to the condition where gravity seems to be very small.In microgravity,heavy objects move around easily.For example,taikonauts can move equipment weighing hundreds of kilograms with their fingertips.