Using a photon counting apparatus as a device to measure light intensity, wave particle dualism of light is demonstrated by measuring photon distribution of double slit diffraction.

用光子计数仪作光强检测装置，通过测量衍射后的光子计数的空间分布来演示光的波粒二象性。

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They devised an apparatus that connected a baby's pacifier to a counting device.

他们设计了一种将婴儿的奶嘴与计数装置连接起来的装置。

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The study on the biomass, respiration and P/B coefficient of benthon have been carried out with counting method, sealed apparatus method and cultivation method in Sanjiang Plain.

本文运用计数法、封闭器法和培养法对底栖动物的生物量、呼吸强度和P/B系数进行了研究。

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Nowadays, a vast and sprawling bean-counting apparatus operates in service to the executive branch.

FORBES: It's Time For A Transparency-In-Government-Statistics Law