xao意思是：射線衍射。
雙語例句：
1、Your?metabolic?rate?is?the?speed?at?which?your?body?transforms?food?into?energy.
新陳代謝率是身體把食物轉換為能量的速度。
2、Regular?exercise?can?increase?your?basal?metabolic?rate.
定期運動能夠提高妳的基礎代謝率。
3、Abnormally?low?or?high?body?temperature?effect?a?variety?of?physiologic?responses?including?lowered?metabolic?rate.?
不正常的低或高體溫會影響動物體各種不同的生理應答，包括低代謝率。
4、Whether?autochthonous?or?allochthonous?may?be?important?in?the?total?metabolic?system?of?lakes?and?streams.?
無論是自源的或他源的，在湖泊與河流的總代謝系統中都可能是重要的。
5、Our?current?awareness?of?an?integral?endocrine?and?metabolic?response?to?injury?may?be?traced?to?two?streams?of?thought.?
我們目前對操作所引起的整個內分泌和代謝反應的了解，溯源於兩種思潮。