A lot of analysis show, aircraft acoustics stealth technology is a important part of aircraft stealth technology. It can make a great effect on aircraft combat survivability.
大量的分析表明，飞机声学隐身技术是飞机隐身技术中的重要内容，它对飞机的作战生存力有很大的影响。
On the basis of magnetic-electric geophone's characters, we design a new magnetic annulus style geophone, which can get a well-disposed wider magnetic field to make a great effect.
从研究磁电式检波器的特性出发，拓宽地震检波器的研究思路，研究了一种新型的磁环式地震检波器。
Accounting policy option has a great effect on the quality of accounting information, so it is necessary to make a proper choice of accounting policy.
会主政策选择对会计信息质量有很大的影响，合理选择会计政策十分必要。
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