Malmquist efficiency change index Malmquist效率变化指数
Energy change ratio is a synthetical index to evaluate the utilization efficiency of agricultural resources.
能量转化效率是评价农业资源利用效率的一个综合性指标。
The holographic diffraction efficiency spectrum was theoretically calculated from the photoinduced refractive index change spectrum.
由光致折射率变化曲线理论计算出了衍射效率随波长变化曲线。
Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure (PPMS) crystal are studied theoretically by light diffraction efficiency.
以光栅衍射理论为基础，从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
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