The spectral modulation sensor system can detect and measure various physical parameters such as pressure, temperature, gas density, and various chemical species.

这种光谱调制传感器系统能够测量多种物理参数，如压强、温度、气体密度及多种化学成份。

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Physical and chemical parameters and grain size composition of mortar shall meet requirements specified in table 28.

耐火砌泥的物理及化学参数以及粒度分布应该满足表28中指定的要求。

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Laser cladding is a complicated process accompanied with physical and chemical reaction, so parameters are important to the quality.

激光熔覆是一个复杂的物理、化学冶金过程，熔覆过程中的参数对熔覆件的质量有很大的影响。

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Following the recommendations of the Framework for Ocean Observing, the emphasis of the GOOS Steering Committee will be the identification of Essential Ocean Variables, (EOVs), the physical, chemical, biogeochemical or ecological parameters of the oceans which can be measured, observed and used to continuously assess the state of the oceans.

UNESCO: Social and Human Sciences