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他是从何得知？为什么比例系数错了？
Where did he get it from, and why is the constant of proportionality wrong?
youdao
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采用变系数比例导引方法，实现零脱靶量；
Introduce a method of changed coefficients to realize zero of guidance deviation;
youdao
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采用变系数比例导引方法，实现零脱靶量；
Introduce a method of changed coefficients to realize zero of guidance deviation;
youdao