In this paper, the principle of design and constitution of the installation for measuring photosynthetic rate of plant population, and methods of measurement and calculation were introduced.
介绍了一种植物群体光合速率测量装置的设计原理、结构及其测量和计算方法。
2
On the basis of inquiring into the functions and characteristics of sports populationmeasurement indices, this study has applied the methods of experts' evaluation, unit statistics, etc.
在探讨体育人口测度指标功能和特征的基础上，运用专家评定、单元统计等方法筛选体育人口测度指标。
3
Liu Chuanjiang, Cheng Jianlin. 2008. The Second Generation Peasant-workers' Citizenization: Current Situation Analysis and Process Measurement. Population Research 5, pp48 ~ 57.