Reconnaissance nuclear and biological agent testing uh ground attack.
侦查，核武或生化测试，呃，地面攻击。
Once a biological control agent is released, it is difficult to control its speed.
一旦实施了生物控制手段，它的速度就很难控制。
To learn the toxicity and safety of the biological crop protective agent.
目的了解生物农药庄稼保护剂的毒性和安全性。
The heat-carrying agent transportation is the key link in the biological fuel oil production process.
热载体输送是生物燃油生产过程中的关键环节，输送过程中温度与输送量直接影响生物燃油的生产。
The heat-carrying agent transportation is the key link in the biological fuel oil production process.
热载体输送是生物燃油生产过程中的关键环节，输送过程中温度与输送量直接影响生物燃油的生产。
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