研究人员分配一半志愿者接受真正的治疗，另一半接受一个装置发出的安慰剂——看上去类似激光，但实际上是低功率LED光。
Half the participants were assigned thereal treatment; the other half received a placebo from a device thatlooked similar to the laser but was in fact a low-power LED.
大多现代冰箱在市场上有象更加寒冷的抽屉、玻璃架子、水分配器、滤水器、锁设施和内部光的基本的特点。
Most of the modern fridges in the market have basic features like chiller drawer, glass shelves, water dispenser, water filter, lock facility and interior light.
大的窗户分配将房子装满天然的光。
The large Windows distribution fills the house with natural light.
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