Methods: Body composition was measured with dual energy X ray absorptiometry ( DXA ).是什么意思？

Methods: Body composition was measured with dual energy X ray absorptiometry ( DXA ).

方法: 　采用双能X线吸收测量法 ( dual-energyX -rayabsorptionmetry,DXA ) 测量全身及各部位的体成分.

methods

n. method的复数：方法，方法( method的名词复数 )，方法论，教学法，分类法；

例句
The old methods weren't adequate to meet current needs...
老一套方法已不足以满足当前的需要。

body

n. 身体，尸体，团体，物体；vt. 赋予形体；

例句
...drugs which will fool the body into accepting transplants.
能使身体顺利接受移植器官的药物

composition

n. 作文，作曲，创作，构图，布置，妥协，和解；

例句
...the chemical composition of the ocean.
海洋的化学成分

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

measured

adj. 仔细斟酌的，慎重的，缓慢而又有节奏的；v. 量( measure的过去式和过去分词 )，测量，衡量，量出；

例句
Peace could come only gradually, in carefully measured steps. Even then, it sounds almost impossible to achieve...
和平只会逐渐到来，而且每一步都走得小心翼翼。即使那样，要实现和平听起来仍几乎不可能。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

dual

adj. 双的，两部分的，二体的，二重的；n. 双数，双数词；

例句
...his dual role as head of the party and head of state...
他作为政党领袖和国家元首的双重身份

energy

n. [物]能量，活力，精力，精神；

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

ray

n. （热或其他能量的）射线，光束，光线，微量，伞形花序柄；vt. 放射，照射，（思想，希望等）闪现，发光；

例句
They tried to get the harpoon into the ray before the sting tail came lashing over to retaliate...
他们试图把鱼叉刺进鳐鱼体内，以防它猛摆那蜇人的尾巴报复。

absorptiometry

n. 吸光测定法，吸收测量学；

例句
Dual x - ray absorptiometry was used to measure bone mineral density.
双能 X 线骨密度仪被用来股的矿物质密度.