[名词解释] iron-sulfur proteins, Fe/S protein (铁硫蛋白)
[名词解释] 物质循环(Nutrient Cycle)
[名词解释] 无效循环(futile cycle)
[名词解释] 尿素循环(urea cycle)
[名词解释] 磷循环 phosphorus cycle
[名词解释] 氮循环 nitrogen cycle
[名词解释] 病害循环(disease cycle)
[名词解释] 乙醛酸循环(glyoxylate cycle)
[名词解释] 柠檬酸循环(citric acid cycle)
[单选题]cycLE93指令可以完成()循环加工的(s正MENs系统)。A .钻孔B .外圆表面C .切槽D .螺纹