Wall adaptation is a new established concept in wind tunnel test.
自适应壁风洞的出现为解决洞壁干扰问题开辟了一条新的途径。
A new concept, gas column resonance, was established.
首次提出振荡管气柱谐振概念。
Therefore, completely new concept should be established for construction of passenger dedicated line.
是我们在建设客运专线中，树立全新建设理念。
Under the new situation, a new concept should be established to safeguard security.
在新形势下，维护安全要有新观念。
Under the new situation, a new concept should be established to safeguard security.
在新形势下，维护安全要有新观念。
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