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An experimental technique and method for flutter research of helicopter blade model are proposed.
提出了直升机模型桨叶颤振试验技术及试验方法。
youdao
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A fourth model may be tested for flutter speed.
第四个模型可用来进行颤振试验。
youdao
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A fourth model may be tested for flutter speed.
第四个模型可用来进行颤振试验。
youdao