biological method

基本解释

In this paper, the methods of pectin extraction and purification from plant tissues, including chemical and biological methods, are introduced.
本文綜述了從植物中提取果膠的各種方法，包括化學提取法和生物提取法。
Based on their principles, these methods can be classified into chemical methods, physical methods, physicochemical methods, and biological methods.
根據測定原理，這些方法可被歸類爲化學方法、物理方法、物理化學方法和生物方法。
Molecular biological methods have been used for detection and identification of the pathogens in seeds.
分子生物學方法已用於十字花科蔬菜種傳黑斑病菌種的檢測和鋻定。

They cannot be understood, still less shaped, by physical and biological methods alone.
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