Meanwhile, modification of digital certificate shall also be timely submitted.
与此同时，请及时提交数字证书信息变更申请。
Comparing with the testing results of interferometer, the digital knife-edge testing technology is available and can provide theoretical basis for surface modification.
通过与干涉仪测量结果相比较，验证了数字刀口检测方法的可行性，为镜面误差的加工修正提供了依据。
Using this technique, digital weight and digital system error modification for noise octave analyzer can be realized by software.
利用这一方法，可以以软件方式完成噪声倍频程分析的数字计权处理，并且能够实现系统误差修正。
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