geographical field practice base 地理野外实习基地
An appropriate base for field practice is an important guarantee for improving the teaching quality of pharmaceutical botany.
选择合适的野外实习基地，是提高药用植物学教学质量的重要保障。
On the base of validating the model, the application of the model in practice was discussed, especially the application in the field of predicting crop potential production.
在上述对模型准确性验证的基础上，本文进一步探讨了该模型在生产实际中的应用，并重点分析了该模型在预测作物潜在生产力方面的可行性。
In this paper a method base on the near-field theory of acoustics is used to measure the frequency response of the low-frequency loudspeaker through the engineering and technology practice.
本文是应用声学原理中的近场理论，通过工程技术实践探讨测量低频扬声器频响的一种方法。
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