非制导武器的射程越大，误差也越大，命中精度也越低；而含有末制导的精确制导武器则不同，它不单纯因射程增大而降低其精度。
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沥青材料老化后其质量将有的沥青减小，有的增加
A. 正确
B. 错误
The cisco ironport portfolio performs which service?（）
A. reduces the downtime that is asassocoated with spam,viruses,and blended threats that are delivered via email
B. determines if A user or device is authorized to access A switch port
C. defends thepenmeter from malicious users and unauthorized traffic
D. providesA secure communication path through the internet
康德认为建立在经验基础上的知识是豁然的知识。
A. 正确
B. 错误
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