Many hospitals are switching from standard light-bulbs to compact fluorescent or LED lights.
许多医院的照明已从标准的灯泡改为小巧的荧光灯或LED灯。
One of the simplest steps is to switch all your standard light bulbs for energy-saving ones.
一个简单的办法就是把你所有的标准灯泡都换成节能型的。
So it's a nice solution that a photon counter can be calibrated conveniently by the LED weak standard light source.
使用发光二极管制成标准光源来进行校验和标定光子计数器是一种较好的解决方法。
For both de-noising and being standard light source, the radiative physic parameters should be calculated accurately.
无论是去除噪声还是获取标准光源， 都需要精确计算其辐射特性物理参数。
Standard light microscopes don't allow researchers to look into the interior of the living brain, where memories are formed and diseases such as dementia and cancer can take their toll.
普通的光学显微镜并不能帮助研究者观察活体大脑的内部，而这些部位才是记忆形成或者像痴呆和癌症这样的疾病发生的场所。
Standard light microscopes don't allow researchers to look into the interior of the living brain, where memories are formed and diseases such as dementia and cancer can take their toll.
普通的光学显微镜并不能帮助研究者观察活体大脑的内部，而这些部位才是记忆形成或者像痴呆和癌症这样的疾病发生的场所。
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