| 释义 |
interval period短语¹¹⁴⁴⁶⁷⁺⁴
基本例句
🌏间隔周期；轮回期
Shorter interval period and more frequent subculture on artificial media also affected attenuation of virulence The sensitivity to lower concentration of oxygen may vary with strains.
菌对低浓度氧的敏感性可因菌系而有差异。因此认为冰冻真空干燥和低温保存对抑制菌的毒性降低是较为理想的保存办法。 cnki
The questionnaires were distributed to668 families randomly in rural areas. The questions involve in the categories of the pesticides and frequencies of use and safe interval period and so on.
随机抽取668名农户进行问卷调查，内容涉及施用农药的种类、频次、施药安全间隔期等。 caesv |